Friedelite and Crocoite Physical Properties

Friedelite

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

3.06-3.195.90-6.10

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

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

1.6 Cleavage

{010} Perfect

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

1.7 Mohs Hardness

4-52.5-3

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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

Friedelite and Crocoite Chemical Formula

While comparing Friedelite 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 Friedelite and Crocoite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Friedelite Vs Hibonite

Friedelite and Crocoite Specific Gravity

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