Poldervaartite and Jade Physical Properties

Poldervaartite

Jade

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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

2.912.90-3.38

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

None

1 or 2,2 prismatic.

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Poldervaartite and Jade Chemical Formula

While comparing Poldervaartite and Jade 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 Poldervaartite and Jade chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Poldervaartite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Jade Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 2.90-3.38 whereas that of Jade is 2.90-3.38.