Frabicating Quartzite

Justin Middleton · Friend Joined: 01 Jun 2006 Posts: 6 Location: Valdosta, GA

I am bringing in a coupla slabs of Cypress Quartzite (G&L name) for a customer. I have heard that it is supposed to be harder than granite (though i find it hard to believe).
I was wondering if there are any tricks that I need to know about this stuff before I attempt to fabricate it like granite. It seems to be a alot flakier than granite almost like a Calacutta Gold or something.
If anyone has ever delt with this stuff and has advice about it, I would appreciate it. BTW you can look at it on http://www.glmarble.com/ under granite. It is called Cypress.
Thanks in advance.
jm

brian briggs · Posted: Wed Jun 28, 2006 1:35 am Post subject:

That is a new one to me. Nice looking stone though.
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Stratis · Posted: Wed Jun 28, 2006 6:15 am Post subject:

I saw some pieces that been fabricated already and had been returned back to the slab supplier about 4 years ago back in California. The supplier said it had been returned because it scratched easier than granite. This was @ Exotic G&M in Sacramento. He said it was harder than marble but softer than granite. Beautiful stuff. Reminded me of Rain Forest
Green mable, from what I can remember. About a 6 to 6.5 he said.
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jvcstone · Posted: Wed Jun 28, 2006 1:38 pm Post subject:

Quartzite is a metamorphic sandstone. Some is extremely hard, some not so--depending on the cementious material in the original stone. All quartzite is extremely abrasive though, and harder on tooling than any granite.
JVC
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Cloud_swift · Good Friend Joined: 21 Jun 2006 Posts: 22

We are planning on Azul Do Mar for our kitchen. I'm told that is also quartzite but it is very hard and not flakey. The slabs looked sound to me (but I'm just a customer). Any experience with it?

Here is a picture of one of our slabs:

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Steven Nenzel · Posted: Sat Jul 01, 2006 1:39 pm Post subject:

We are currently fabricating some Quartzite. It is EXTREMELY hard. Had to slow the saw down to half speed. Have not put it on the cnc yet but I expect we'll have to slow it down by at least 25%.

If you are hand fabricating, I feel for ya Sad

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Stoneman · Posted: Sat Jul 01, 2006 11:25 pm Post subject:

we have recently done a 10-12 slab master bath out of 2cm verde quarzite. we had to slow our saw to .5 - 1, we normally cut 3cm ab black at 4-5. run your blade through some limestone or a cinder block after a few cuts, that seemed to help a lot. the stuff looks great but it is very hard on tooling. we had to grind a 3cm 60x70 shower floor because the customer did not want it cut in pieces and sloped, took a very long time to grind but it polished pretty quickly. good luck Very Happy