Carnelian and Anhydrite Physical Properties

Carnelian

Anhydrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.64

2.90-2.98

1.5 Fracture

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

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

1.6 Cleavage

Absent

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

1.7 Mohs Hardness

6.5-7

3.5

1.8 Chemical Composition

SiO₂

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Carnelian and Anhydrite Chemical Formula

While comparing Carnelian and Anhydrite 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 Anhydrite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Carnelian Vs Prasiolite

Carnelian Vs Kunzite

Carnelian Vs Quartz

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Carnelian and Anhydrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Anhydrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Anhydrite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 2.90-2.98 whereas that of Anhydrite is 2.90-2.98.