Herderite and Powellite Physical Properties

Herderite

Powellite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.024.23

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Indistinct on {110}

{111} Distinct

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Herderite and Powellite Chemical Formula

While comparing Herderite and Powellite 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 Herderite and Powellite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Herderite Vs Milarite

Herderite Vs Inderite

Herderite Vs Kunzite

Herderite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Herderite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Herderite is 4.23 whereas that of Powellite is 4.23.