Orthoclase and Fluorite Physical Properties

Orthoclase

Fluorite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.54-2.613.00-3.25

1 7.18

1.5 Fracture

Gems, Uneven

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaF₂

Orthoclase and Fluorite Chemical Formula

While comparing Orthoclase and Fluorite 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 Orthoclase and Fluorite chemical formula.

Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fluorite- CaF₂

Compare Colorless Gems

Orthoclase Vs Phosphophyllite

Orthoclase Vs Phosphosiderite

Orthoclase Vs Phenakite

Orthoclase and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Orthoclase and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Orthoclase and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Orthoclase is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.