Tinzenite and Grandidierite Physical Properties

Tinzenite

Grandidierite

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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

3.355-3.4332.85-3.00

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Perfect

1.7 Mohs Hardness

Not Available7.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Tinzenite and Grandidierite Chemical Formula

While comparing Tinzenite and Grandidierite 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 Tinzenite and Grandidierite chemical formula.

Chemical formula of Tinzenite- (Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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Tinzenite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tinzenite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tinzenite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Tinzenite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.