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Minerals - Kasatkinite | TerraCollect

Mineral - Kasatkinite

KasatkiniteBa₂Ca₈B₅Si₈O₃₂(OH)₃ · 6H₂O

Chemical Properties

Mineral Class

Silicates

Toxicity

none

Formula

Ba₂Ca₈B₅Si₈O₃₂(OH)₃ · 6H₂O

Unit Cell

a=5,75 b=7,24 c=20,79 β=91° Z=1

Physical Properties

Hardness

4 - 4.5

Streak

white

Density

Normal (2-3,5)

Optical Properties

Color

whitecolorless

Birefringence

Luster

Vitreous,

Silky

Transparency

translucent,

transparent

Pleochroism

Geomineralogical Properties

Crystal System

monoclinic

Composition

Elements

Mass

Na₂O

0,23

K₂O

0,57

CaO

28,94

BaO

16,79

B₂O₃

11,57

Al₂O₃

0,28

SiO₂

31,63

Cleavage

nd

Fracture

hooked,

uneven

Tenacity

Brittle

Point Group

Space Group

Habit

tufty, fibrous, acicular, radial

Formation

hydrothermal in Rhodginit

Paragenesis

Twinning

Rarity

Rare

Synonyms

Kasatkinite

F

0,07

H₂O

9,05

Russland