Vishnevite and Ludlamite Physical Properties

Vishnevite

Ludlamite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.1-3.2

1 7.18

1.5 Fracture

Brittle, Uneven

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

1.6 Cleavage

Perfect

Vitreous, pearly on cleavage

1.7 Mohs Hardness

5-63-4

2 10

1.8 Chemical Composition

Not Available

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

Vishnevite and Ludlamite Chemical Formula

While comparing Vishnevite 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 Vishnevite and Ludlamite chemical formula.

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

Compare Blue Gemstones

Vishnevite Vs Lawsonite

Vishnevite Vs Plumbogummite

Vishnevite Vs Kainite

Vishnevite and Ludlamite Specific Gravity

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