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Dr. Garbanzo posted:A lot of the stainless counters I’ve worked with in kitchens has been formply with the stainless forming a skin around it with a lip underneath to give it more rigidity. They scuff pretty badly over time though which is why I’d not use it in a domestic kitchen. pretty easy to polish on occasion, same as treating your stone once a year.
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Aug 24, 2019 00:35
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I have a stainless steel plate as a mousepad and it’s checks calipers 1.2 mm thick. It’s just sitting on a wooden desk top. I’m not putting as much force onto a mousepad as I would if I were rolling dough, but it’s enough to tell me that two millimetres is probably fine in the kitchen if a half‐competent attempt is made to get it and the plywood under it flat.
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Aug 24, 2019 00:37
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slurry_curry posted:It is definitely not solid black, the type of granite is just referred to as absolute black, and it seems pretty common. From a quick google search, these pictures are pretty accurate for what mine looks like. Thanks. That description is pretty useless, with "Originating in the quarries of Southern India" being the only actual info on the stone itself, but the photo gives a little bit of clue. By definition, granite is an intrusive igneous (typically igneous-plutonic) rock containing both some variety of feldspar (ie. plagioclase or orthoclase) or microcline, and some variety of quartz (most typically smokey or clear white quartz). It is always coarse-grained (that is, it has large visible crystals) due to the slow rate at which it cools and crystalizes during formation. Here's a range of granite compositions:  Notably, of the minerals shown, only amphibole, pyroxine, and mica have black forms (dark amphibole minerals are collectively referred to as hornblende). Smokey quartz can be a darker hue but isn't really black. And the true granites are on the left of the chart: a stone with nothing but (say) pyroxine and olivine is properly peridotite and not granite. (Rhyolite, andesite, and basalt are igneous-volcanic rocks made of the same mineral compositions as the igneous-plutonic rocks granite, diorite, and gabbro, but with tiny crystals, and as far as I know, aren't referred to as "granite" even by the commercial stone sellers.) Feldspar is very distinctive: it's either white or salmon colored depending on composition (k-spar aka potassium feldspar aka orthclase feldspar is salmon colored; plagioclase is white). Any rock with a significant amount of feldspar is going to be definitely not jet black. For example, "Salt and pepper" granite is typically a granodiorite consisting of large white crystals of feldspar and quartz mixed with large black crystals of hornblende. Now, while a geologist or minerologist might not like you calling gabbro "granite," from the kitchen counter perspective, who gives a gently caress? Well: because different stones have different goddamn properties, that's what. Tensile strength, for one. I would like to believe that the stone provider is giving specifications to the retailer and installer etc. so they can tailor structures to the exact stone being used, but I suspect that kitchen builders just universally treat it all as "granite" and do nothing to address specific characteristics of a given stone product. Sure, broadly, intrusive igneous rocks will have tensile strengths similar to one another, within a wide range; but some will be at one end of that range and some at another, and that range could definitely affect decisions such as given a certain thickness, how much overhang is safe. Even two stones of very similar mineral composition but coming from different formations could have significantly different fracture characteristics! As to what that black "granite" actually is? I'd take a wild guess that it's mostly hornblende, with some mica and/or pyroxine and/or smokey quartz mixed in, but clearly no feldspar whatsoever. E.g., it's probably gabbro, one from the far right extreme of that chart up above (which is a simplification so don't read too much detail into it). But gosh, it sure would be cool if the commercial providers would actually say what their rock is. Customers might actually enjoy knowing! And it'd give more information to designers and installers, too. But the marketing people have got a hold of poo poo so instead of "would you like this gorgeous south indian gabbro" it's "please buy our Absolute Black GraniteTM. Leperflesh fucked around with this message at 00:46 on Aug 24, 2019 |
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Aug 24, 2019 00:42
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I would buy a countertop from geology nerds.
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Aug 24, 2019 00:54
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Dr. Garbanzo posted:They scuff pretty badly over time though which is why I’d not use it in a domestic kitchen. This is the other thing people don't understand about the difference between commercial surfaces and especially fake commercial appliances (I have a wolf stove so I'm guilty). The resi stuff is hard enough to keep looking good. It's usually brushed or similar to hide the scuffs. Real commercial stuff gives no fucks to looks. It's looks awesome when new and like poo poo after the first day you use and clean it. All that matters is that you can sanitize the hell out of it.
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Aug 24, 2019 01:09
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Leperflesh posted:Here's a range of granite compositions: Feldspar is typically light colored, but in a gabbro it can be transparent enough and mixed with dark minerals that it does not look light toned. Gabbros are intrusive like granite but often have generally finer crystal grain which also tracks here. Scarodactyl fucked around with this message at 01:40 on Aug 24, 2019 |
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Aug 24, 2019 01:33
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Crappy Construction Tales: Dwarf Fortress Edition
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Aug 24, 2019 02:27
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Scarodactyl posted:This is mostly right, and I think gabbro is the right diagnosis. A couple nitpicks, you don't typically get lots of amphibole or mica in gabbro, these are all too felsic, and never quartz (it reacts). A gabbro is going to be made largely of pyroxenes, olivine and plagioclase feldspar, with these other components being much less usual additions. OH shiiiiiiit dawwwwwg, Leperflesh got OWNED. Leperflesh do you live in the antebellum South because you just got auctioned off. Sheeit look at this motherfucker getting his mothershitting gabbros wrong, best be walking the hell out this bitch and never show your face again. drat son.
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Aug 24, 2019 02:36
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Motronic posted:Corrugated metal like that is not at all the same thing as a standing seam roof. Since this is the pedantry thread what I see in the kitchen is ribbed metal panel. I only bring it up because Jesus, at least corrugated metal panel has a pedigree in architectural decor via Chipotle and like, every new house in Bozeman Mt, whereas metal panel belongs on a shed, a shop, or a poo poo house. Side note, the city of Bozeman decided every house requires three distinct architectural finishes, and that lead to stone, lap siding and metal panel on half of all new housing. I won't be surprised when someone says it happens in another town.
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Aug 24, 2019 02:55
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Shut up Meg posted:Not that this is a hill I am particularly invested in dying on, but a quick google says granite costs this much: I think shaping the steel is expensive and time consuming, whereas stone can be cut pretty easily. Steel is tough to work, that's why we have steelworkers.
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Aug 24, 2019 04:05
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Super Soaker Party! posted:OH shiiiiiiit dawwwwwg, Leperflesh got OWNED. Leperflesh do you live in the antebellum South because you just got auctioned off. Sheeit look at this motherfucker getting his mothershitting gabbros wrong, best be walking the hell out this bitch and never show your face again. Just let me have this.
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Aug 24, 2019 04:24
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Idk what mine is but I should post my huge piano bar style kitchen sometime, I think it’s granite w a 2 foot overhang Y’all laugh at me
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Aug 24, 2019 04:33
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I'm just going to keep dumping the mixed aircraft paint I don't use into a bathtub and make countertops out of "fordite." It's two-part urethane epoxy. Unfortunately it's 90% matterhorn white and 10% the most fabulous drab colors from the 80s.
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Aug 24, 2019 05:09
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I 100% want to be able to sanitize my whole kitchen because of keeping kosher. Metal countertops make this simpler and easier in a variety of ways. 
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Aug 24, 2019 06:05
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Shut up Meg posted:Good search.
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Aug 24, 2019 06:52
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i like nice words
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Nevets posted:Crappy Construction Tales: Dwarf Fortress Edition The word "feldspar" gives me painful flashbacks to the first week in any new MMO.
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Aug 24, 2019 07:06
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Platystemon posted:I would buy a countertop from geology nerds. Seriously, Gabbrochat(tm) is unexpectedly fascinating. Though it makes me want to snap a picture of a "granite" countertop we have in our bathroom displays at work which looks very much like the one in that picture, to see if I can get a judgment on what the hell it is. As well as some of our other stone countertops. It'd be interesting too see how many got marketing-misnamed.
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Aug 24, 2019 07:40
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Misread most of that as "garbo". Now I'm disappointed.
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Aug 24, 2019 07:46
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Scarodactyl posted:This is mostly right, and I think gabbro is the right diagnosis. A couple nitpicks, you don't typically get lots of amphibole or mica in gabbro, these are all too felsic, and never quartz (it reacts). A gabbro is going to be made largely of pyroxenes, olivine and plagioclase feldspar, with these other components being much less usual additions. oh right on, OK I'm in california and in addition to ~5 intro to intermediate courses, I did a geology of the national parks course as well as field courses in yosemite and surrounds. In the 1990s. And no geology since. So just going from memory I'm pretty pleased to have come close on my wild-rear end guess. I know my tuolomne batholith ok ( and I managed to remember the word "horneblende") but when it comes to knowing the general mineralogy of all intrusive rocks? Yeah naw, it's been too loving long. half-dome granodiorite has sphene in it! I once sat on the shore of a high alpine lake in yosemite and collected a few dozen tiny grains of sphene from the beach and took them home with me because I love sphene I wanna see some dark transparentish feldspar though! I'm gonna have to look that poo poo up. Super Soaker Party! posted:OH shiiiiiiit dawwwwwg, Leperflesh got OWNED. Leperflesh do you live in the antebellum South because you just got auctioned off. Sheeit look at this motherfucker getting his mothershitting gabbros wrong, best be walking the hell out this bitch and never show your face again. I am shamed PurpleXVI posted:Seriously, Gabbrochat(tm) is unexpectedly fascinating. do it! and now I'm almost wanting to find all the geology nerds on SA and get a "identify my rock" ask/tell thread going or something of course they'd mostly be better at it than me but still Leperflesh fucked around with this message at 08:08 on Aug 24, 2019 |
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Aug 24, 2019 08:04
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Leperflesh posted:
There is the geoscientist thread but it's more chatting about the profession than it is "identify my rock"
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Aug 24, 2019 08:18
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Luneshot posted:There is the geoscientist thread but it's more chatting about the profession than it is "identify my rock" Beat me to it, but the thread would probably welcome rockchat also. Because no geologist doesn't want to talk about rocks.
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Aug 24, 2019 08:21
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Lemniscate Blue posted:Beat me to it, but the thread would probably welcome rockchat also. Because no geologist doesn't want to talk about rocks. "I became a geologist because I hate all stone and wanted to learn how to best destroy it. Don't talk about that cursed substance near me. Begone!"
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Aug 24, 2019 08:22
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Jaded Burnout posted:I've been eyeing up the ovens in GBBO where the door opens normally but slides away underneath. Read the reviews, there are loads of issues with the sliders breaking. My wife's friend had 3 in her home/small business kitchen and they will broke the same way. Re: steel tops I visited a chroming supplier for work and one of the products they made bank on was 10mmm steel countertops, pre-cut then chrome plated but left with the natural gain, not polished. They were beautiful, incredibly hard wearing (hilarious chrome thickness of 200μm) so easy to clean and care for, the only downsides were incredible weight and cost.
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Aug 24, 2019 10:09
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cakesmith handyman posted:Read the reviews, there are loads of issues with the sliders breaking. My wife's friend had 3 in her home/small business kitchen and they will broke the same way. Presumably there's a risk of the double door versions breaking over time as hung doors have a habit of stretching out of square, which is annoying for a cabinet but a real problem for an oven.
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Aug 24, 2019 10:47
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cakesmith handyman posted:Read the reviews, there are loads of issues with the sliders breaking. My wife's friend had 3 in her home/small business kitchen and they will broke the same way. Coat the entire counter in titanium nitride 
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Aug 24, 2019 10:52
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Platystemon posted:Coat the entire counter in titanium nitride Check out my new product line of frozen argon countertops (don't put hot pans on it)
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Aug 24, 2019 11:13
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Scarodactyl posted:This is mostly right, and I think gabbro is the right diagnosis. A couple nitpicks, you don't typically get lots of amphibole or mica in gabbro, these are all too felsic, and never quartz (it reacts). A gabbro is going to be made largely of pyroxenes, olivine and plagioclase feldspar, with these other components being much less usual additions. This is why you never mansplain, because someone else will come along and well actually you into a corner, leperflesh. I hope you learned a lesson.
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Aug 24, 2019 11:44
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Aug 24, 2019 13:14
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Shut up Meg posted:Not that this is a hill I am particularly invested in dying on, but a quick google says granite costs this much: Pfft I bet the premium "Stargate" one isn't even made of real naquadah.
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Aug 24, 2019 14:10
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Scarodactyl posted:This is mostly right, and I think gabbro is the right diagnosis. A couple nitpicks, you don't typically get lots of amphibole or mica in gabbro, these are all too felsic, and never quartz (it reacts). A gabbro is going to be made largely of pyroxenes, olivine and plagioclase feldspar, with these other components being much less usual additions. The Something Awful Forums > Discussion > DIY > Crappy Construction Tales:you don't typically get lots of amphibole or mica in gabbro, these are all too felsic, Also digging the rock chat. I always seem to have a boner for Granite. I took a few minor geology courses in College, but I forget most of that poo poo now.
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Aug 24, 2019 17:59
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i love geologychat and could listen to geologists argue about countertops all day. i'm not kidding
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Aug 24, 2019 18:02
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Jaded Burnout posted:Check out my new product line of frozen argon countertops I don't know how to react to that
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Aug 24, 2019 18:23
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canyoneer posted:I don't know how to react to that hey heeyyy
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Aug 24, 2019 19:08
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wesleywillis posted:The Something Awful Forums > Discussion > DIY > Crappy Construction Tales:you don't typically get lots of amphibole or mica in gabbro, these are all too felsic, "Granite gets me rock hard" is the obvious expression if you are gonna be this weird.
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Aug 24, 2019 19:38
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therobit posted:"Granite gets me rock hard" is the obvious expression if you are gonna be this weird. i guess he took it for granite
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Aug 24, 2019 19:46
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I DIG your countertops.
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Aug 24, 2019 19:52
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Gneiss.
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Aug 24, 2019 19:53
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just lol if your counters aren't made of
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Aug 24, 2019 19:57
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Lots of schistposting itt
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Aug 24, 2019 19:59
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Aug 24, 2019 20:00
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