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Beryllonite
Beryllonite

Spessartine
Spessartine



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Beryllonite
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Spessartine

Beryllonite and Spessartine Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.874.12-4.18
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
{???} Distinct

Mohs Hardness

5.5-67-7.5
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Beryllonite and Spessartine Chemical Formula

While comparing Beryllonite and Spessartine 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 Spessartine chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Beryllonite and Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Spessartine Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 4.12-4.18 whereas that of Spessartine is 4.12-4.18.