Chrysoberyl and Ludlamite Physical Properties

Chrysoberyl

Ludlamite

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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

3.69-3.813.1-3.2

1 7.18

1.5 Fracture

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

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

1.6 Cleavage

Distinct on {110}, imperfect on {010}, poor on {001}

Vitreous, pearly on cleavage

1.7 Mohs Hardness

8.53-4

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

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

Chrysoberyl and Ludlamite Chemical Formula

While comparing Chrysoberyl and Ludlamite 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 Chrysoberyl and Ludlamite chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chrysoberyl and Ludlamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.