Orthoclase and Tourmaline Physical Properties

Orthoclase

Tourmaline

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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

2.54-2.612.85-3.35

1 7.18

1.5 Fracture

Gems, Uneven

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Indistinct

1.7 Mohs Hardness

67-7.5

2 10

1.8 Chemical Composition

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

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Orthoclase and Tourmaline Chemical Formula

While comparing Orthoclase and Tourmaline 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 Tourmaline chemical formula.

Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Compare Colorless Gems

Orthoclase Vs Phosphosiderite

Orthoclase Vs Phosphophyllite

Orthoclase Vs Phenakite

Orthoclase and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Orthoclase and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Orthoclase and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Orthoclase is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.