Astrophyllite and Clinohedrite Physical Properties

Astrophyllite

Clinohedrite

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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

3.2-3.43.28-3.335

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on [001] imperfect on [100]

{010} Perfect

1.7 Mohs Hardness

35.5

2 10

1.8 Chemical Composition

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

CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)

Astrophyllite and Clinohedrite Chemical Formula

While comparing Astrophyllite and Clinohedrite 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 Clinohedrite 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 Clinohedrite- CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)

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Astrophyllite and Clinohedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Clinohedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Clinohedrite Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 3.28-3.335 whereas that of Clinohedrite is 3.28-3.335.