Klockmannite R070658

Name: Klockmannite
RRUFF ID: R070658
Ideal Chemistry: Cu5.2Se6
Locality: Cacheuta mine, Cerro de Cacheuta, Sierra de Cacheuta, Mendoza, Argentina
Source: Michael Scott S105180 [view label]
Owner: RRUFF
Description: Metallic steel-gray granular aggregates with dull blue-green tarnish associated with umangite mounted in epoxy disc
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Covellite (4) ]
RRUFF ID: R070658.2
Sample Description: Microprobe Fragment
Sample Description: Unoriented sample

  To download sample data,
  please select a specific
  orientation angle.

Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
RRUFF ID: R070658
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
REFERENCES for Klockmannite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Ramdohr P (1928) Klockmannit, ein neues natürliches Kupferselenid, Centralblatt für Mineralogie, Geologie und Paläontologie, 1928, 225-232   [view file]

Foshag W F (1929) New mineral names, American Mineralogist, 14, 41-42   [view file]

Earley J W (1949) Studies of natural and artificial selenides: I - Klockmannite, CuSe, American Mineralogist, 34, 435-440   [view file]

Earley J W (1950) Description and synthesis of the selenide minerals, American Mineralogist, 35, 337-364   [view file]

Heyding R D, Murray R M (1976) Crystal structures of Cu1.8Se, Cu3Se2, α- and γCuSe, CuSe2, and CuSe2II, Canadian Journal of Chemistry, 54, 841-848

Effenberger H, Pertlik F (1981) Ein beitrag zur kristallstruktur von α-CuSe (klockmannite), Neues Jahrbuch für Mineralogie, Monatshefte, 1981, 197-205