Anthophyllite and Crocoite Physical Properties

Anthophyllite

Crocoite

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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

2.9-3.5

5.90-6.10

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

{110} Distinct, {001} Indistinct, {100} Indistinct

1.7 Mohs Hardness

5.5-6

2.5-3

1.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Anthophyllite and Crocoite Chemical Formula

While comparing Anthophyllite and Crocoite 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 Anthophyllite and Crocoite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Anthophyllite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.