Hurlbutite and Lepidolite Physical Properties

Hurlbutite

Lepidolite

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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

2.902.80-2.90

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

{001} perfect

1.7 Mohs Hardness

62.5

2 10

1.8 Chemical Composition

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

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

Hurlbutite and Lepidolite Chemical Formula

While comparing Hurlbutite and Lepidolite 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 Hurlbutite and Lepidolite chemical formula.

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

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Hurlbutite and Lepidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hurlbutite and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.