Chlorapatite and Annabergite Physical Properties

Chlorapatite

Annabergite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.17-3.183.07

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on {010}, indistinct on {100} and {102}

1.7 Mohs Hardness

Not Available2

2 10

1.8 Chemical Composition

Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Ni3(AsO4)2•8(H2O)

Chlorapatite and Annabergite Chemical Formula

While comparing Chlorapatite and Annabergite 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 Chlorapatite and Annabergite chemical formula.

Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

Compare Green Gemstones

Chlorapatite Vs Chrysoberyl

Chlorapatite Vs Chrysoprase

Chlorapatite Vs Chrysotile

Chlorapatite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorapatite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorapatite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Chlorapatite is 3.07 whereas that of Annabergite is 3.07.