Wulfenite and Herderite Physical Properties

Wulfenite

Herderite

Add ⊕

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

6.50-7.002.90-3.02

1 7.18

👆🏻

Fracture

Irregular, Conchoidal

Subconchoidal, Conchoidal

Cleavage

On {011}, distinct; on {001}, {013}, indistinct

Indistinct on {110}

Mohs Hardness

35-5.5

2 10

👆🏻

Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)

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

Wulfenite and Herderite Chemical Formula

While comparing Wulfenite and Herderite 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 Wulfenite and Herderite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Compare Red Gemstones

Wulfenite Vs Pezzotaite

Wulfenite Vs Pyrope Almandine

Wulfenite Vs Pyrope Garnet

Wulfenite and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Herderite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 2.90-3.02 whereas that of Herderite is 2.90-3.02.