Girasol and Herderite Physical Properties

Girasol

Herderite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.98-2.50

2.90-3.02

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

Indistinct on {110}

1.7 Mohs Hardness

5.5-6.5

5-5.5

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Girasol and Herderite Chemical Formula

While comparing Girasol 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 Girasol and Herderite chemical formula.

Chemical formula of Girasol- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Compare Colorless Gems

Girasol Vs Hurlbutite

Girasol Vs Hibschite

Girasol Vs Herderite

Girasol and Herderite Specific Gravity

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