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"Onyx" Slabs
Although onyx is properly microcrystalline quartz, what most people consider as onyx is actually calcite with banding or figuring. These "onyx" slabs are indeed mostly composed of calcite. This material cuts quickly and takes a high polish with tin oxide or diamond.


Example of Rainbow Calcite Cabochon
 Item number: Slab944C - Rainbow Calcite Slabs - $6.00
Locality: Chihuahua, Mexico


Measures approximately:
1/4" thick

Ruler is in inches.

 Item number: Slab984C - Rainbow Calcite Slabs - $10.50
Locality: Chihuahua, Mexico


Measures approximately:
1/4" thick

Ruler is in inches.
Note: this slab has some fractures.

 Item number: Slab1199C - Rainbow Calcite Slabs - $7.00
Locality: Chihuahua, Mexico


Two slab parcel measures approximately:
3-3/8" x 3" x 7/32" thick and
2-3/4" x 2-1/2" at widest points x 9/32" thick

We also have ROUGH of this material.
Assortments        Agates    Alunite    Angelite    Aventurine    Blue Willow Stone    Cacoxenite    Calcite    Charoite    Chrysocolla    Chrysoprase    Clam Chowder Stone    Coprolite    Crinoid Marble    Dalmatian Stone    Dinosaur Bone    Dolomite    Dumortierite    Eudialite    Flower Feldspar    Fluorite    Fossil Coral    Fossil Stone    Fossil Stromatolite    Goldstone    Hydrogrossular Garnet    Hypersthene    Indian Paint Rock    Jade    Jaspers    Lapis Lazuli    Lepidolite    Magnesite    Mookaite    Obsidians    Onyx    Opalite    Petrified Wood    Picasso Marble    Pink Lace    Print Stone    Quartz    Rhodochrosite    Rhodonite    Rhyolites    Ruby in Fuchsite    Ruby in Zoisite    Selected Materials    Seraphinite    Serpentine    Sodalite    Thulite    Tiffany Stone    Tiger Eye    Todolite    Travertine    Turquoise    Unakite    Variscite   
 ORDER    Great Slabs Catalog Index    Whats New Email Lists    Return Policy    Testimonials    Contact Us
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