Chalcocite : CSIRO Spectroscopy Database

Chalcocite [ Cu₂S ]

Image of Chalcocite

Chalcocite specimen from Mammoth Mine, Mount Gordon, Gunpowder District, Mt Isa - Cloncurry area, Queensland, Australia. Size: 3.6 x 2.7 x 2.7 cm

Rob Lavinsky, iRocks.com – CC-BY-SA-3.0

Material properties

Formula	Cu₂S
Abbreviation	Cc, Cc, Cc
Variants	low, high
Luminescence emitters	Cd, Unspecified
IMA Status	Grandfathered (pre-IMA), 1751
Search other databases	webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Related materials	Wuyanzhiite
Crystal symmetry	Hexagonal, Point group 6/mmm, Monoclinic, Point group 2/m, Space group P2₁/c (#14)
Tags	Mineral, Sulphide

Composition

Element	Atoms
S	1
Cu	2
Total:	3

Reference for Chalcocite

Loferski et al. 1979

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Specimens of Chalcocite

Name	Owner	Materials	Phase purity	Image
M2366 Digenite / Chalcopyrite	CSIRO	Chalcocite, low (7.9%), Chalcopyrite, Digenite, high	7.9	M2366 Digenite / Chalcopyrite Image of Chalcopyrite, Chalcocite (var. low) and Digenite (var. high) in specimen 'M2366 Digenite / Chalcopyrite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.
M0301 Djurleite / Pyrite / Malachite	CSIRO	Bornite, Chalcocite, low (6.9%), Chalcocite, high (6.9%), Cuprite, Djurleite, Goethite, Malachite, Pyrite	6.9	M0301 Djurleite / Pyrite / Malachite Image of Djurleite, Bornite, Chalcocite (var. low), Chalcocite (var. high), Cuprite, Goethite, Malachite and Pyrite in specimen 'M0301 Djurleite / Pyrite / Malachite' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.
M0158 Quartz	CSIRO	Chalcocite, low (5.7%), Copper, Cuprite, Quartz	5.7	M0158 Quartz Image of Quartz, Chalcocite (var. low), Copper and Cuprite in specimen 'M0158 Quartz' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.
M2478 Bornite / Quartz / Digenite	CSIRO	Bornite, Chalcocite (5.5%), Digenite, Quartz	5.5	M2478 Bornite / Quartz / Digenite Image of Bornite, Chalcocite, Digenite and Quartz in specimen 'M2478 Bornite / Quartz / Digenite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.
M0297 Phosgenite / Djurleite / Anglesite	CSIRO	Anglesite, Bornite, Calcite, Chalcocite, low (5.3%), Chalcocite, high (5.3%), Djurleite, Phosgenite	5.3	M0297 Phosgenite / Djurleite / Anglesite Image of Phosgenite, Anglesite, Bornite, Calcite, Chalcocite (var. low), Chalcocite (var. high) and Djurleite in specimen 'M0297 Phosgenite / Djurleite / Anglesite' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.
M0298 Djurleite / Bornite	CSIRO	Bornite, Chalcocite, low (2.1%), Chalcopyrite, Clinochlore, Fe, Djurleite	2.1	M0298 Djurleite / Bornite Image of Djurleite, Bornite, Chalcocite (var. low), Chalcopyrite and Clinochlore (var. Fe) in specimen 'M0298 Djurleite / Bornite' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.
M2597 Bornite / Quartz / Digenite	CSIRO	Ankerite, Bornite, Calcite, Chalcocite (1.4%), Digenite, Quartz	1.4	M2597 Bornite / Quartz / Digenite Image of Bornite, Ankerite, Calcite, Chalcocite, Digenite and Quartz in specimen 'M2597 Bornite / Quartz / Digenite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.