Meaning of ANCYLITE-(LA) in English

ANCYLITE-(LA)

General Information:

Chemical Formula:

Sr(La,Ce)(CO3)2(OH)·(H2O)

Composition:

(Molecular Weight = 381.87 gm)

Strontium 22.95 % Sr

Lanthanum 27.28 % La

Cerium 9.17 % Ce

Hydrogen 0.79 % H

Carbon 6.29 % C

Oxygen 33.52 % O

Empirical Formula:

SrLa0.75Ce0.25(CO3)2(OH)·(H2O)

Environment:

In hydrothermal veins in nepheline syenites.

IMA Status:

Approved IMA (Dana # Added)

Locality:

Marchenko Peak, Mount Kukisvumchorr, Khibina massif, Kola Peninsula, Russia.

Name Origin:

Named for the composition and from the Greek "curved," in allusion to the rounded and distorted character of the crystals.

Physical Properties:

Cleavage:

None

Color:

yellow or yellowish brown.

Density:

3.88

Diaphaniety:

Translucent

Habits:

Crystalline - Fine - Occurs as well-formed fine sized crystals., Pyramidal - Crystals are shaped like pyramids.,

Hardness:

4-4.5 - Between Fluorite and Apatite

Luminescence:

Non-fluorescent.

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .