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Minerals - Kudriavite | TerraCollect

Mineral - Kudriavite

Kudriavite(Cd,Pb)Bi₂S₄

Chemical Properties

Mineral Class

Sulfides and sulfosalts

Toxicity

middle

Formula

(Cd,Pb)Bi₂S₄

Unit Cell

a=13,10 b=4,00 c=14,71 β=116° Z=4

Physical Properties

Hardness

1 - 10

Streak

black

Density

Very Heavy (>6)

Optical Properties

Color

blackgrayred

Birefringence

Luster

Metallic

Transparency

opaque

Pleochroism

Geomineralogical Properties

Crystal System

monoclinic

Composition

Elements

Mass

Cd

8,3

Pb

13,1

Fe

0,2

Mn

0,3

Bi

55,4

In

2,8

Ti

0,01

Cleavage

Keine

Fracture

uneven

Tenacity

Brittle

Point Group

Space Group

Habit

acicular, prismatic, skeletal

Formation

Vulkanisch, als Hochtemperatur-Fumarolenverkrustungen (400°C)

Paragenesis

Twinning

Rarity

Rare

Synonyms

Kudriavite

S

17,7

Se

2,2

Cl

0,02

Russland