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Tiffany Stone Slabs Page 1
Bertrandite is more commonly called Tiffany Stone. It is an opalite (common opal), and often has a soft rind. Fine quality tiffany stone has purple coloration and can even be a pure dark, translucent purple color.

Tiffany Stone comes from one locality in Utah. The mine is no longer open for collecting and all of this beautiful material is now ground up for beryllium ore. The beryllium content in tiffany stone is locked up in a silicated compound, much like the beryl minerals aquamarine and emerald. Because of the compounded nature of the beryllium in these minerals, it is like any other agate or opalite and not hazardous to cut and polish . However, the dust from pure industrial beryllium, metallic alloys of beryllim or ceramic beryllium is toxic and very dangerous to breathe.

Most opalites can contain some fractures, as does tiffany stone. Some uneven hardness can be encountered in this material, but tiffany stone generally cuts easily and takes a fine polish with diamond, tin or cerium oxide. Mohs hardness is 5 to 6.

Tiffany Stone: PAGE 1   PAGE 2



Example of Tiffany Stone Cabochons
Note: Not cut from material below.
 Item number: Slab344Q - Tiffany Stone Slabs - $7.00
Locality: Utah

 

 


Two slab parcel measures approximately
1 at 1/4" thick
1 at 5/32" thick

Ruler is in inches. Note: These slabs are likely to contain pits and/or fractures.

 Item number: Slab345Q - Tiffany Stone Slabs - $7.00
Locality: Utah

 

 


Two slab parcel measures approximately
1 at 1/4" thick
1 at 3/16" thick

Ruler is in inches. Note: These slabs are likely to contain pits and/or fractures.

 Item number: Slab414Q - Tiffany Stone Slabs - $8.00
Locality: Utah

 

 


Two slab parcel measures approximately
2 at 3/16" thick

Ruler is in inches. Note: These slabs are likely to contain pits and/or fractures.

 Item number: Slab415Q - Tiffany Stone Slabs - $8.00
Locality: Utah

 

 


Two slab parcel measures approximately
1 at 7/32" thick
1 at 3/16" thick

Ruler is in inches. Note: These slabs are likely to contain pits and/or fractures.

 Item number: Slab429Q - Tiffany Stone Slabs - $8.00
Locality: Utah

 

 


Two slab parcel measures approximately
1 at 5/32" thick
1 at 3/16" thick

Ruler is in inches. Note: These slabs are likely to contain pits and/or fractures.

 Item number: Slab433Q - Tiffany Stone Slabs - $8.00
Locality: Utah

 

 


Two slab parcel measures approximately
1 at 5/32" to 3/8" thick
1 at 1/4" thick

Ruler is in inches. Note: These slabs are likely to contain pits and/or fractures.

 Item number: Slab437Q - Tiffany Stone Slabs - $8.00
Locality: Utah

 

 


Two slab parcel measures approximately
2 at 7/32" thick

Ruler is in inches. Note: These slabs are likely to contain pits and/or fractures. The large red area on the left slab is pitted.

 Item number: Slab968Q - Tiffany Stone Slabs - $12.00
Locality: Utah

 

 


Measures approximately
7/32" thick

Ruler is in inches. Note: These slabs are likely to contain pits and/or fractures.

 Item number: Slab985Q - Tiffany Stone Slabs - $12.00
Locality: Utah

 

 


Four slab parcel measures approximately
2 at 3/16" thick
1 at 5/32" thick
1 at 1/4" thick

Ruler is in inches. Note: These slabs are likely to contain pits and/or fractures.


Assortments     Agates    Alunite    Angelite    Aventurine    Barite    Cacoxenite    Chrysocolla    Chrysoprase    Clam Chowder Stone    Coprolite    Crinoid Marble    Dalmatian Stone    Dinosaur Bone    Dolomite    Dumortierite    Flower Feldspar    Fluorite    Fossil Coral    Fossil Fern    Fossil Stromatolite    Goldstone    Hypersthene    Indian Paint Rock    Jade    Jaspers    Lapis Lazuli    Lepidolite    Magnesite    Mookaite    Obsidians    Petrified Wood    Picasso Marble    Pink Lace    Print Stone    Quartz    Rhodochrosite    Rhodonite    Rhyolites    Ruby in Fuchsite    Ruby in Zoisite    Selected Materials    Seraphinite    Serpentine    Sodalite    Tiffany Stone    Tiger Eye    Todolite    Turquoise    Unakite    Variscite   
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