AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Actinolite pseudomorphs after Diopside (Uralite)

Actinolite pseudomorphs after Diopside (Uralite) from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 77806
Mineral:	Actinolite pseudomorphs after Diopside (Uralite)
Locality:	Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado
Description:	Blocky green actinolite pseudomorphs after diopside crystals up to 15 mm long. This formation is known by the obsolete name of uralite. Diopside crystallized first, then altered to actinolite, maintaining the original form of the diopside crystals. Collected ca. 1990
Overall Size:	11x7x6.5 cm
Crystals:	2-15 mm pseudos
Archived:	For reference only

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