Fluorite and Ludlamite Physical Properties

Fluorite

Ludlamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.253.1-3.2

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

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

1.6 Cleavage

Octahedral, perfect on {111}, parting on {011}

Vitreous, pearly on cleavage

1.7 Mohs Hardness

43-4

2 10

1.8 Chemical Composition

CaF₂

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

Fluorite and Ludlamite Chemical Formula

While comparing Fluorite 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 Fluorite and Ludlamite chemical formula.

Chemical formula of Fluorite- CaF₂
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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Fluorite and Ludlamite Specific Gravity

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