is it really quartzite?

7 years ago

I've been reading a lot of threads discussing how slabs marked as quartzite at stone yards aren't always really quartzite. I performed the scratch test on a glass bottle and it did scratch the glass, but would appreciate any insight on this slab. It has a leathered finish and is beautiful but want to make sure it will hold up in the long run.

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Comments (3)

cpartist
7 years ago
It is stunning. If it scratched the glass it's most likely quartzite. Can you take a sample and do the etch tests with lemon juice, etc?
wilson853
7 years ago
This is a good article which discusses the properties of various types of quartzite. Even if it passes the etch test, you may end up with something that will stain because it is a more porous quartzite. A quick search up top will reveal threads discussing this. I have a nuage quartzite and luckily it has been impervious to everything. Try to get a piece to test as cpartist recommended.

https://usenaturalstone.org/properties-of-quartzite/?utm_source=related-articles/
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Liza Page
Original Author
7 years ago
great information and article. thank you!! I'll definitely try the water wicking and lemon juice tests!! only thing is that they gave me a sample with the polished finish but I want leather, is there a difference in properties depending on finish? how does one clean a leather finished quartzite?