Polyhalite and Clinochlore Physical Properties

Polyhalite

Clinochlore

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.782.60-3.02

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven

1.6 Cleavage

Perfect on {10 1 }; parting on {010}

{001} Perfect

1.7 Mohs Hardness

3.52-2.5

2 10

1.8 Chemical Composition

Not Available

(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Polyhalite and Clinochlore Chemical Formula

While comparing Polyhalite and Clinochlore 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 Polyhalite and Clinochlore chemical formula.

Chemical formula of Clinochlore- (Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

Polyhalite Vs Heliotrope

Polyhalite Vs Vanadinite

Polyhalite Vs Jacinth

Polyhalite and Clinochlore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Clinochlore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Clinochlore Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.60-3.02 whereas that of Clinochlore is 2.60-3.02.