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Howlite
Howlite

Microcline
Microcline



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Howlite
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Microcline

Howlite and Microcline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.45-2.58
Conchoidal
None
3-3.5
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
2.55-2.63
Uneven
{001} Perfect, {010} Good
6-6.5
KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Howlite and Microcline Chemical Formula

While comparing Howlite and Microcline 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 Howlite and Microcline chemical formula.

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Howlite and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite Vs Microcline during the identification of gemstone. Specific gravity of Howlite is whereas that of Microcline is .