Howlite and Tinzenite Physical Properties

Howlite

Tinzenite

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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

2.45-2.583.355-3.433

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

None

{???} Good, {???} Good

1.7 Mohs Hardness

3-3.5Not Available

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)

Howlite and Tinzenite Chemical Formula

While comparing Howlite and Tinzenite 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 Tinzenite chemical formula.

Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Tinzenite- (Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)

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Howlite and Tinzenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Tinzenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Tinzenite Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.355-3.433 whereas that of Tinzenite is 3.355-3.433.