Viridine and Apatite Physical Properties

Viridine

Apatite

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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

3.05-3.213.16-3.23

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven

1.6 Cleavage

Not Available

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

7-7.55

2 10

1.8 Chemical Composition

(Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Viridine and Apatite Chemical Formula

While comparing Viridine and Apatite 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 Viridine and Apatite chemical formula.

Chemical formula of Viridine- (Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)
Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Gems Found in South Asia

Viridine Vs Idocrase

Viridine Vs Iolite

Viridine Vs Kyanite

Viridine and Apatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Viridine and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Viridine and Apatite Optical Properties during the identification of gemstone. Specific gravity of Viridine is 3.16-3.23 whereas that of Apatite is 3.16-3.23.