Apatite and Sheen Obsidian Physical Properties

Apatite

Sheen Obsidian

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.23

2.33-2.50

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

[0001] indistinct, [1010] indistinct

Not Available

1.7 Mohs Hardness

5-5.5

1.8 Chemical Composition

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

Not Available

Apatite and Sheen Obsidian Chemical Formula

While comparing Apatite and Sheen Obsidian 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 Apatite and Sheen Obsidian chemical formula.

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 for Gemini » More

Apatite Vs Lazulite

Apatite Vs Pearl

Apatite Vs Jade

» More

More Compare Gems for Gemini

Apatite and Sheen Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Sheen Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Sheen Obsidian Optical Properties during the identification of gemstone. Specific gravity of Apatite is 2.33-2.50 whereas that of Sheen Obsidian is 2.33-2.50.