Ludlamite and Chrysoprase Physical Properties

Ludlamite

Chrysoprase

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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

3.1-3.22.58-2.64

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Gems, Sixth Edition (2006)

1.6 Cleavage

Vitreous, pearly on cleavage

None

1.7 Mohs Hardness

3-46.5-7

2 10

1.8 Chemical Composition

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO₂ (with a high level of nickel impurities )

Ludlamite and Chrysoprase Chemical Formula

While comparing Ludlamite and Chrysoprase 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 Ludlamite and Chrysoprase chemical formula.

Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Ludlamite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.