Meionite and Astrophyllite Physical Properties

Meionite

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

2.783.2-3.4

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Uneven, Brittle, Metallic

1.6 Cleavage

{???} Distinct, {???} Indistinct

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

5-63

2 10

1.8 Chemical Composition

3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

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

Meionite and Astrophyllite Chemical Formula

While comparing Meionite 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 Meionite and Astrophyllite chemical formula.

Chemical formula of Meionite- 3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

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Meionite and Astrophyllite Specific Gravity

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