Halite and Astrophyllite Physical Properties

Halite

Astrophyllite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Water-soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.173.2-3.4

1 7.18

1.5 Fracture

Conchoidal, Brittle, Metallic

Uneven, Brittle, Metallic

1.6 Cleavage

Perfect {001}, three directions cubic

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

2.0-2.53

2 10

1.8 Chemical Composition

NaCl

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

Halite and Astrophyllite Chemical Formula

While comparing Halite 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 Halite and Astrophyllite chemical formula.

Chemical formula of Halite- NaCl
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 Australia

Halite Vs Heliotrope

Halite Vs Torbanite

Halite Vs Iddingsite

Halite and Astrophyllite Specific Gravity

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