Boracite and Apophyllite Physical Properties

Boracite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.95-2.962.30-2.50

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

Perfect on (001)

1.7 Mohs Hardness

7-7.54.5-5

2 10

1.8 Chemical Composition

Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Boracite and Apophyllite Chemical Formula

While comparing Boracite and Apophyllite 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 Boracite and Apophyllite chemical formula.

Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Boracite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boracite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Boracite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.