PENTAHYDROBORITE


Meaning of PENTAHYDROBORITE in English

General Information:

Chemical Formula:

CaB2O(OH)6·2(H2O)

Composition:

(Molecular Weight = 215.77 gm)

Calcium 18.57 % Ca

Boron 10.02 % B

Hydrogen 4.67 % H

Oxygen 66.73 % O

Empirical Formula:

CaB2O(OH)6·2(H2O)

Environment:

Skarn mineral.

IMA Status:

Approved IMA 1962

Locality:

Solongo, Transbaikalia, Russia.

Name Origin:

Named for the composition.

Physical Properties:

Cleavage:

None

Color:

colorless.

Density:

2 - 2.03, Average = 2.01

Diaphaniety:

Transparent

Habits:

Granular - Generally occurs as anhedral to subhedral crystals in matrix., ,

Hardness:

2.5 - Finger Nail

Luminescence:

Fluorescent.

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .