Pearl and Herderite Physical Properties

Pearl

Herderite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.85

2.90-3.02

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

none

Indistinct on {110}

1.7 Mohs Hardness

2.5-4.5

5-5.5

1.8 Chemical Composition

Not Available

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

Pearl and Herderite Chemical Formula

While comparing Pearl 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 Pearl and Herderite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Compare Blue Gemstones

Pearl Vs Precious Opal

Pearl Vs Prase

Pearl Vs Prase Opal

Pearl and Herderite Specific Gravity

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

Blue Gemstones

Pezzottaite

Phosphosiderite

Pleonaste

Powellite

Prase

Prase Opal