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Eriochalcite

A secondary, water-soluble mineral.

History

Activities related to discovery and approval of the group members

Structural context

Eriochalcite
Crystal System orthorhombicSpace Group Pmna
a7.38—7.4141 (7.3949)
b8.04—8.0886 (8.0574)
c3.72—3.7458 (3.7323)
alpha90
beta90
gamma90
volume220.7—224.634 (222.3883)

Based on 6 measurements

Chemical context

Stoichiometric formulas

Eriochalcite
mindat.org
  • March 13, 2023CuCl2·2H2O
IMA
  • March 13, 2023CuCl2 · 2H2O
mineralogy.rocks
  • Aug. 30, 2022Cu2+Cl2·2H2O

Elements recorded on EPMA

6
Cl
6
Cu
6
O
5
H

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • bluish green
  • greenish blue
  • yellowish
Color noteOriginal color note from the source
Bluish green, greenish blue, yellowish tint at times.
Lustre
Vitreous
Fracture
Conchoidal
Transparency
Transparent
Hardness
2.5
Calculated density
2.55
Eriochalcite