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Beryllonite
Beryllonite

Stolzite
Stolzite



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Beryllonite
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Stolzite

Beryllonite and Stolzite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.872
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Imperfect on {001}, indistinct on {011}

Mohs Hardness

5.5-62.5-3
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
PbWO4

Beryllonite and Stolzite Chemical Formula

While comparing Beryllonite and Stolzite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Beryllonite and Stolzite chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Stolzite- PbWO4

Beryllonite and Stolzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Stolzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Stolzite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2 whereas that of Stolzite is 2.