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Howlite and Forsterite Physical Properties


Forsterite and Howlite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.45-2.58   
3.23-3.26   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
None   
Perfect on {010} imperfect on {100}   

Mohs Hardness
3-3.5   
6.5-7   

Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Howlite and Forsterite Chemical Formula

While comparing Howlite and Forsterite 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 Forsterite chemical formula.

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Howlite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.

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