Galena and Ametrine Physical Properties

Galena

Ametrine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.232.65

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

Not Available

1.6 Cleavage

Cubic perfect on [001], parting on [111]

Indiscernible

1.7 Mohs Hardness

2.5-2.757

2 10

1.8 Chemical Composition

PbS

SiO₂

Galena and Ametrine Chemical Formula

While comparing Galena and Ametrine 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 Galena and Ametrine chemical formula.

Chemical formula of Galena- PbS
Chemical formula of Ametrine- SiO₂

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Galena and Ametrine Specific Gravity

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