Hemimorphite and Astrophyllite Physical Properties

Hemimorphite

Astrophyllite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.503.2-3.4

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic

1.6 Cleavage

Perfect on {110}, poor on {101}, {001} rare

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Hemimorphite and Astrophyllite Chemical Formula

While comparing Hemimorphite 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 Hemimorphite and Astrophyllite chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Hemimorphite Vs Lazurite

Hemimorphite Vs Kornerupine

Hemimorphite Vs Kyanite Cyprine

Hemimorphite and Astrophyllite Specific Gravity

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