VESUVIANITE


Meaning of VESUVIANITE in English

General Information:

Chemical Formula:

Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4

Composition:

(Molecular Weight = 1,422.09 gm)

Calcium 28.18 % Ca

Magnesium 3.42 % Mg

Aluminum 7.59 % Al

Silicon 17.77 % Si

Hydrogen 0.28 % H

Oxygen 42.75 % O

Empirical Formula:

Ca10Mg2Al4(Si2O7)2(SiO4)5(OH)4

Environment:

Contact metamorphic rocks and alpine veins.

IMA Status:

Approved IMA 1960

Locality:

Mte. Somma, Vesuvius, Italy.

Name Origin:

Named after its locality.

Physical Properties:

Cleavage:

[110] Indistinct, [100] Indistinct, [001] Indistinct

Color:

blue, brown, green, yellow, or white.

Density:

3.35 - 3.45, Average = 3.4

Diaphaniety:

Subtransparent to subtranslucent

Habits:

Massive - Uniformly indistinguishable crystals forming large masses., Columnar - Forms columns, Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

6.5 - Pyrite

Luminescence:

Non-fluorescent.

Luster:

Vitreous - Resinous

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .