LOKKAITE-(Y)


Meaning of LOKKAITE-(Y) in English

General Information:

Chemical Formula:

CaY4(CO3)7·9(H2O)

Composition:

(Molecular Weight = 977.90 gm)

Calcium 4.10 % Ca

Yttrium 36.37 % Y

Hydrogen 1.86 % H

Carbon 8.60 % C

Oxygen 49.08 % O

Empirical Formula:

CaY4(CO3)7·9(H2O)

Environment:

Alteration product of rare-earth minerals.

IMA Status:

Approved IMA 1987

Locality:

Pyoronmaa pegmatite, Kangasala, Finland.

Name Origin:

Named after Lauri Lokka (1875-1966), mineralogist and chief chemist, Geological Survey of Finland.

Physical Properties:

Color:

snow white.

Density:

2.92

Habits:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Aggregates - Made of numerous individual crystals or clusters.,

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .