Why are pink granite surface plates far less common than black & grey?

4GSR · Friday at 3:52 PM

Most of the pink granite out there comes from Marble Falls, Texas! I'm sure some of it is used for surface plates, too. Our state capital building is made of pink granite. I have a small 2-ledge 18 x 24 Starrett Pink Granite surface plate here. Darn thing is almost 6" thick!

TGTool · Friday at 7:41 PM

4GSR said:
<snip> I have a small 2-ledge 18 x 24 Starrett Pink Granite surface plate here. Darn thing is almost 6" thick!

I understand that the pink granite is more wear resistant but not as stiff as the black so the thickness there may be compensating for that. Nothing they can do the other way to make black any harder.

matthewlee · Friday at 8:38 PM

There is a batch of pink granite here in Missouri.
Also, if anyone is ever around or passing through, check out elephant rocks park

Elephant Rocks State Park | Missouri State Parks

The elephant-shaped boulders at Elephant Rocks State Park may not be the stars of a circus, but these giant granite boulders are the stars of this unusual park in southeast Missouri. The elephant rocks, which were formed from 1.5-billion-year-old granite, are giant boulders that stand end-to-end...

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Why are pink granite surface plates far less common than black & grey?

4GSR

Diamond

TGTool

Titanium

matthewlee

Cast Iron

Elephant Rocks State Park | Missouri State Parks

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