Piemontite and Afghanite Physical Properties

Piemontite

Afghanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available

2.55-2.65

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

Perfect {10 1 0}

1.7 Mohs Hardness

6-6.5

5.5-6

1.8 Chemical Composition

Not Available

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Piemontite and Afghanite Chemical Formula

While comparing Piemontite and Afghanite 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 Piemontite and Afghanite chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Compare Red Gemstones

Piemontite Vs Richterite

Piemontite Vs Phlogopite

Piemontite Vs Polyhalite

Piemontite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.