Lepidolite and Hurlbutite Physical Properties

Lepidolite

Hurlbutite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-2.902.90

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

{001} perfect

None

1.7 Mohs Hardness

2.56

2 10

1.8 Chemical Composition

Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Lepidolite and Hurlbutite Chemical Formula

While comparing Lepidolite and Hurlbutite 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 Lepidolite and Hurlbutite chemical formula.

Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Lepidolite and Hurlbutite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lepidolite and Hurlbutite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lepidolite and Hurlbutite Optical Properties during the identification of gemstone. Specific gravity of Lepidolite is 2.90 whereas that of Hurlbutite is 2.90.