Azurmalachite and Astrophyllite Physical Properties

Azurmalachite

Astrophyllite

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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

3.70-3.953.2-3.4

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

Uneven, Brittle, Metallic

1.6 Cleavage

1,1 basal.

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

3.5-43

2 10

1.8 Chemical Composition

(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Azurmalachite and Astrophyllite Chemical Formula

While comparing Azurmalachite and Astrophyllite 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 Azurmalachite and Astrophyllite chemical formula.

Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

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Azurmalachite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurmalachite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurmalachite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Azurmalachite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.