Mimetite and Grandidierite Physical Properties

Mimetite

Grandidierite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

7.102.85-3.00

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[10 1 1] Imperfect

Perfect

1.7 Mohs Hardness

3.57.5

2 10

1.8 Chemical Composition

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Mimetite and Grandidierite Chemical Formula

While comparing Mimetite 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 Mimetite and Grandidierite chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Compare Red Gemstones

Mimetite Vs Neptunite

Mimetite Vs Pezzottaite

Mimetite Vs Phosphosiderite

Mimetite and Grandidierite Specific Gravity

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