Carnelian and Lepidolite Physical Properties

Carnelian

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

2.58-2.64

2.80-2.90

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Absent

{001} perfect

1.7 Mohs Hardness

6.5-7

2.5

1.8 Chemical Composition

SiO₂

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

Carnelian and Lepidolite Chemical Formula

While comparing Carnelian 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 Carnelian and Lepidolite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

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Carnelian and Lepidolite Specific Gravity

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