FRANKLINPHILITE


Meaning of FRANKLINPHILITE in English

General Information:

Chemical Formula:

K4(Mn++,Mg,Fe+++,Zn)48(Si,Al)72(O,OH)216·16(H2O)

Environment:

Metamorphosed, weathered zinc deposit. The manganexe analog of stipnomelane.

IMA Status:

Approved IMA

Locality:

Franklin mine, Sussex County, New Jersey.

Name Origin:

Named after its locality and from the Greek philos = 'friend.' The 'friends of Franklin' are those scientific investigators who helped study the unique mineralogy and geology of th is deposit.

Physical Properties:

Cleavage:

[001] Perfect

Color:

dark brown or black.

Density:

2.6 - 2.8, Average = 2.7

Diaphaniety:

Subtranslucent to opaque

Habits:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Platy - Sheet forms (e.g. micas).,

Hardness:

4 - Fluorite

Luminescence:

Non-fluorescent.

Luster:

Vitreous - Resinous

Streak:

light brown

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .