Jacobsite and Anthophyllite Physical Properties

Jacobsite

Anthophyllite

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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

4.76-5.032.9-3.5

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

None

{110} Perfect, {???} Distinct, {???} Distinct

1.7 Mohs Hardness

5.5-6.55.5-6

2 10

1.8 Chemical Composition

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Jacobsite and Anthophyllite Chemical Formula

While comparing Jacobsite and Anthophyllite 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 Jacobsite and Anthophyllite chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Jacobsite and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.