Loading data...

Impressum Privacy Policy

© 2026 TerraCollect

0.2.41

Minerals - Rosasite | TerraCollect

Mineral - Rosasite

Rosasite(Cu,Zn)₂(CO₃)(OH)₂

Chemical Properties

Mineral Class

Carbonates

Toxicity

none

Formula

(Cu,Zn)₂(CO₃)(OH)₂

Unit Cell

a=12.87 b=9.35 c=3.16 β=110° Z=4

Physical Properties

Hardness

4.5

Streak

greenblueblue green

Optical Properties

Color

greenblueturquoise

Birefringence

0.143

Luster

Vitreous,

Silky

Transparency

translucent,

transparent,

opaque

Pleochroism

Geomineralogical Properties

Crystal System

Composition

Elements

Mass

CO₂

19.54

CuO

47.53

ZnO

24.60

H₂O

8.33

Italy (Palache et al. 1952)

Groups and Members

Malachite-Rosasite-Group

Karten-Ebenen

Geologische KarteSatelliten Karte

Density

Heavy (3,5-6)

Cleavage

Fracture

Tenacity

Brittle

monoclinic

Point Group

monoclinic-prismatic - 2/m

Space Group

P21/c (14)

Habit

fibrous, spherical, acicular, kidney-shaped, grape-shaped

Formation

Secondarily formed by precipitation from aqueous solutions containing copper and zinc in the oxidation zone of supergene sulfide deposits

Paragenesis

Twinning

Rarity

Rather rare

Synonyms

Rosasite