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Minerals - Bikitaite | TerraCollect

Mineral - Bikitaite

BikitaiteLiAlSi₂O₆ · H₂O

Chemical Properties

Mineral Class

Silicates

Toxicity

none

Formula

LiAlSi₂O₆ · H₂O

Unit Cell

a=8,61 b=4,96 c=7,60 α=89° β=114° γ=89° Z=2

Physical Properties

Hardness

6

Streak

white

Density

Normal (2-3,5)

Optical Properties

Color

whitecolorless

Birefringence

0.013

Luster

Vitreous

Transparency

transparent

Pleochroism

Geomineralogical Properties

Crystal System

triclinic

Point Group

Composition

Elements

Mass

SiO₂

55.78

Al₂O₃

26.70

Fe₂O₃

0.08

MgO

0.34

Li₂O

6.52

Na₂O

0.10

K₂O

0.18

Karten-Ebenen

Geologische KarteSatelliten Karte

Cleavage

Perfect after (100), good after (001)

Fracture

conchoidal

Tenacity

Brittle

triclinic-pedial - 1

Space Group

P1 (1)

Habit

massive, acicular, prismatic

Formation

In lithium pegmatites

Paragenesis

Twinning

Rarity

Rarely

Synonyms

Bikitaite

H₂O

9.83

Zimbabwe

Groups and Members

Zeolite-Group

BIK-Zeolite-Subgroup