Astrophyllite and Hambergite Physical Properties

Astrophyllite

Hambergite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.42.33-2.37

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Perfect on [001] imperfect on [100]

Perfect on {010}, good on {100}

1.7 Mohs Hardness

37.5

2 10

1.8 Chemical Composition

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

Be 2BO 3(OH)Ulrich Henn and Claudio C.

Astrophyllite and Hambergite Chemical Formula

While comparing Astrophyllite and Hambergite 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 Astrophyllite and Hambergite chemical formula.

Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Hambergite- Be 2BO 3(OH)Ulrich Henn and Claudio C.

Compare Green Gemstones

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Astrophyllite Vs Black Opal

Astrophyllite and Hambergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Hambergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Hambergite Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 2.33-2.37 whereas that of Hambergite is 2.33-2.37.