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Tiffany Stone (Bertrandite) Slabs Page 2

Tiffany Stone: PAGE 1   PAGE 2

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.



Example of Tiffany Stone Cabochons
Note: Not cut from material below.

 Item number: Slab2053R - Tiffany Stone (Bertrandite) Slab - $22.00
  Locality: Delta, Utah

Weighs 84.4 grams.

Measures approximately 7/32" thick.

Ruler is in inches.


 Item number: Slab2054R - Tiffany Stone (Bertrandite) Slab - $24.00
  Locality: Delta, Utah

Weighs 93.5 grams.

Measures approximately 7/32" thick.

Ruler is in inches.


 Item number: Slab2056R - Tiffany Stone (Bertrandite) Slabs - $8.50
  Locality: Delta, Utah

Weighs 67.3 grams.

Three slab parcel measures approximately
1 at 1/4" thick and
2 at 7/32" thick.

Ruler is in inches.


 Item number: Slab2057R - Tiffany Stone (Bertrandite) Slabs - $8.50
  Locality: Delta, Utah

Weighs 59.3 grams.

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

Ruler is in inches.


 Item number: Slab2058R - Tiffany Stone (Bertrandite) Slabs - $11.00
  Locality: Delta, Utah

Weighs 63.2 grams.

Two slab parcel measures approximately
1 at 1/4" thick and
1 at 7/32" thick.

Ruler is in inches.


 Item number: Slab2059R - Tiffany Stone (Bertrandite) Slabs - $13.50
  Locality: Delta, Utah

Weighs 62.7 grams.

Six slab parcel measures approximately
1 at 7/32" thick,
3 at 1/4" thick,
1 at 1/4 to 9/32" thick and
1 at 5/16" thick.

Ruler is in inches.


 Item number: Slab2060R - Tiffany Stone (Bertrandite) Slabs - $13.50
  Locality: Delta, Utah

Weighs 57.0 grams.

Four slab parcel measures approximately
2 at 1/4" thick,
1 at 9/32" thick and
1 at 5/16" thick.

Ruler is in inches.


 Item number: Slab2061R - Tiffany Stone (Bertrandite) Slabs - $12.00
  Locality: Delta, Utah

Weighs 66.1 grams.

Two slab parcel measures approximately
1 at 1/4" thick and
1 at 7/32" thick.

Ruler is in inches.


 Item number: Slab2062R - Tiffany Stone (Bertrandite) Slab - $21.00
  Locality: Delta, Utah

Weighs 22.6 grams.

Measures approximately 1/4" thick.

Ruler is in inches.


 Item number: Slab2063R - Tiffany Stone (Bertrandite) Slabs - $21.00
  Locality: Delta, Utah

Weighs 38.8 grams.

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

Ruler is in inches.


 Item number: Slab2064R - Tiffany Stone (Bertrandite) Slabs - $21.00
  Locality: Delta, Utah

Weighs 58.5 grams.

Two slab parcel measures approximately
2 at 9/32" thick.

Ruler is in inches.


 Item number: Slab2065R - Tiffany Stone (Bertrandite) Slabs - $27.00
  Locality: Delta, Utah

Weighs 49.0 grams.

Three slab parcel measures approximately
1 at 1/4" thick,
1 at 9/32" thick and
1 at 5/16" thick.

Ruler is in inches.


 Item number: Slab2066R - Tiffany Stone (Bertrandite) Slabs - $30.00
  Locality: Delta, Utah

Weighs 50.8 grams.

Two slab parcel measures approximately
1 at 5/16 to 9/32" thick and
1 at 9/32" thick.

Ruler is in inches.


 Item number: Slab2067R - Tiffany Stone (Bertrandite) Slab - $27.00
  Locality: Delta, Utah

Weighs 29.1 grams.

Measures approximately 1/4" thick.

Ruler is in inches.


 Item number: Slab2068R - Tiffany Stone (Bertrandite) Slab - $30.00
  Locality: Delta, Utah

Weighs 53.6 grams.

Measures approximately 7/32" thick.

Ruler is in inches.


 Item number: Slab2069R - Tiffany Stone (Bertrandite) Slab - $32.00
  Locality: Delta, Utah

Weighs 32.5 grams.

Measures approximately 5/16" thick.

Ruler is in inches.


 Item number: Slab2070R - Tiffany Stone (Bertrandite) Slabs - $30.00
  Locality: Delta, Utah

Weighs 73.6 grams.

Three slab parcel measures approximately
1 at 3/8" thick,
1 at 9/32" thick and
1 at 1/4" thick.

Ruler is in inches.


 Item number: Slab2071R - Tiffany Stone (Bertrandite) Slabs - $30.00
  Locality: Delta, Utah

Weighs 67.4 grams.

Two slab parcel measures approximately
1 at 5/16" thick and
1 at 1/4 to 7/32" thick.

Ruler is in inches.


 Item number: Slab2072R - Tiffany Stone (Bertrandite) Slabs - $32.00
  Locality: Delta, Utah

Weighs 67.8 grams.

Four slab parcel measures approximately
2 at 5/16" thick and
2 at 9/32" thick.

Ruler is in inches.


 Item number: Slab2073R - Tiffany Stone (Bertrandite) Slabs - $32.00
  Locality: Delta, Utah

Weighs 64.8 grams.

Two slab parcel measures approximately
1 at 9/32 to 5/16" thick and
1 at 5/16" thick.

Ruler is in inches.


 Item number: Slab2074R - Tiffany Stone (Bertrandite) Slabs - $32.00
  Locality: Delta, Utah

Weighs 64.5 grams.

Three slab parcel measures approximately
1 at 9/32" thick
1 at 1/4" thick and
1 at 5/16" thick.

Ruler is in inches.


 Item number: Slab2075R - Tiffany Stone (Bertrandite) Slab - $46.00
  Locality: Delta, Utah

Weighs 106.1 grams.

Measures approximately 7/32" thick.

Ruler is in inches.


 Item number: Slab2076R - Tiffany Stone (Bertrandite) Slab - $49.00
  Locality: Delta, Utah

Weighs 112.8 grams.

Measures approximately 7/32" thick.

Ruler is in inches.


We also have ROUGH of this material.


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