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Minerals - Zincite | TerraCollect

Mineral - Zincite

ZinciteZnO

Chemical Properties

Mineral Class

Oxides and Hydrxides

Toxicity

none

Formula

ZnO

Unit Cell

a=3.25 c=5.21 Z=2

Physical Properties

Hardness

4

Streak

orangeyellowyellow orange

Optical Properties

Color

redorangeyellow

Birefringence

0.016

Luster

Greasy,

Adamantine

Transparency

translucent,

opaque

Pleochroism

Geomineralogical Properties

Crystal System

hexagonal

Composition

Elements

Mass

SiO₂

0.08

FeO

0.01

MnO

0.27

ZnO

99.63

New Jersey (Palache et al. 1952)

Karten-Ebenen

Geologische KarteSatelliten Karte

Density

Heavy (3,5-6)

Cleavage

Perfect after {1010}

Fracture

conchoidal

Tenacity

Brittle

Point Group

dihexagonal-pyramidal - 6mm

Space Group

P63mc (186)

Habit

dipyramidal, massive, prismatic, pyramidal

Formation

Through high-temperature metamorphism of silicate zinc-iron-manganese ore deposits under oxidizing conditions and extreme sulfur deficiency

Paragenesis

Twinning

Rarity

Rather rare

Synonyms

Zincite