×

Piemontite
Piemontite

Eosphorite
Eosphorite



ADD
Compare
X
Piemontite
X
Eosphorite

Piemontite and Eosphorite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

-99993.05-3.08
1 7.18
👆🏻

Fracture

Uneven, Splintery
Subconchoidal, Uneven, Conchoidal

Cleavage

[001] good, [100] distinct
Poor on {100}

Mohs Hardness

6-6.55
2 10
👆🏻

Chemical Composition

Ca2Al3(SiO4)(Si2O7)O(OH)
Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Piemontite and Eosphorite Chemical Formula

While comparing Piemontite and Eosphorite 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 Piemontite and Eosphorite chemical formula.

  • Chemical formula of Piemontite- Ca2Al3(SiO4)(Si2O7)O(OH)
  • Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Piemontite and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.