Howlite and Grossular Garnet Physical Properties

Howlite

Grossular Garnet

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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

2.45-2.583.6

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Not Available

1.6 Cleavage

None

1.7 Mohs Hardness

3-3.56.5-7.5

2 10

1.8 Chemical Composition

Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ca₃Al₂Si₃O₁₂

Howlite and Grossular Garnet Chemical Formula

While comparing Howlite and Grossular Garnet 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 Grossular Garnet chemical formula.

Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂

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Howlite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.6 whereas that of Grossular Garnet is 3.6.