Hydrophane and Astrophyllite Physical Properties

Hydrophane

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

1.98-2.503.2-3.4

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Uneven, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

5.5-6.53

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Hydrophane and Astrophyllite Chemical Formula

While comparing Hydrophane 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 Hydrophane and Astrophyllite chemical formula.

Chemical formula of Hydrophane- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Compare Gems Found In Africa

Hydrophane Vs Jeremejevite

Hydrophane Vs Johachidolite

Hydrophane Vs Jasper

Hydrophane and Astrophyllite Specific Gravity

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