AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Chalcocite |
![]() |
![]() |
![]() |
DESCRIPTION: | No. 32230 |
Mineral: | Chalcocite |
Locality: | Geevor Mine, No. 9 Pig Lode, St. Just, Cornwall, England |
Description: | Pseudohexagonal crystals of black chalcocite with secondary faces around the edges of the termination. The hexagonal appearance is due to twinning of monoclinic crystals. The largest crystal is doubly-terminated. Ex. William Bill Severance (1931-2023) collection #90.42; ex. Paul Lowe |
Overall Size: | 12x12x9 mm |
Crystals: | 1-11 mm |
Archived: | For reference only |
© AllMinerals/JohnBetts-FineMinerals All Rights Reserved
The minerals illustrated on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property.