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Minerals - Boleite | TerraCollect

Mineral - Boleite

BoleiteKPb₂₆Cu₂₄Ag₉(OH)₄₈Cl₆₂

Chemical Properties

Mineral Class

Halides

Toxicity

none

Formula

KPb₂₆Cu₂₄Ag₉(OH)₄₈Cl₆₂

Unit Cell

a=15.29 Z=1

Physical Properties

Hardness

3 - 3.5

Streak

blue

Density

Heavy (3,5-6)

Optical Properties

Color

blue

Birefringence

Luster

Vitreous,

Pearly

Transparency

translucent

Pleochroism

Geomineralogical Properties

Crystal System

isometric

Point Group

Composition

Elements

Mass

Ag

12.03

Pb

49.16

CuO

17.17

Cl

17.04

H₂O

4.35

Mexico (Palache et al. 1952)

Karten-Ebenen

Geologische KarteSatelliten Karte

Cleavage

Perfect after {001}

Fracture

Tenacity

Brittle

hexoctahedral - 4/m 3 2/m

Space Group

Pm3m (221)

Habit

Cube

Formation

Oxidation zone of copper deposits

Paragenesis

Twinning

Rarity

Rather rare

Synonyms

Boleite, Argentopercylite