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Ludlamite
Ludlamite

Petoskey Stone
Petoskey Stone



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Ludlamite
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Petoskey Stone

Ludlamite and Petoskey Stone Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.1-3.2Not Available
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
Vitreous, pearly on cleavage
Not Available
1.7 Mohs Hardness
3-47
Amber
2 10
1.8 Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Ludlamite and Petoskey Stone Chemical Formula

While comparing Ludlamite and Petoskey Stone 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 Petoskey Stone chemical formula.

  • Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Ludlamite and Petoskey Stone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Petoskey Stone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Petoskey Stone Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is Not Available whereas that of Petoskey Stone is Not Available.