Ludlamite and Grossular Garnet Physical Properties

Ludlamite

Grossular Garnet

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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

3.1-3.23.6

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Vitreous, pearly on cleavage

None

1.7 Mohs Hardness

3-46.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Al₂Si₃O₁₂

Ludlamite and Grossular Garnet Chemical Formula

While comparing Ludlamite and Grossular Garnet 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 Grossular Garnet 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 Grossular Garnet- Ca₃Al₂Si₃O₁₂

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Ludlamite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.6 whereas that of Grossular Garnet is 3.6.