Anthophyllite and Herderite Physical Properties

Anthophyllite

Herderite

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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

2.9-3.5

2.90-3.02

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

Indistinct on {110}

1.7 Mohs Hardness

5.5-6

5-5.5

1.8 Chemical Composition

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

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Anthophyllite and Herderite Chemical Formula

While comparing Anthophyllite and Herderite 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 Anthophyllite and Herderite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Compare Brown Gemstones

Anthophyllite Vs Bronzite

Anthophyllite Vs Brucite

Anthophyllite Vs Brookite

Anthophyllite and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Herderite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 2.90-3.02 whereas that of Herderite is 2.90-3.02.

Brown Gemstones

Astrophyllite

Augite

Baddeleyite

Baryte Barite

Bronzite

Brookite