AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Aragonite on Calcite

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Aragonite on Calcite from Biedell Creek Quartz Prospects, Crystal Hill, 12.5 km northwest of La Garita, Saguache County, Colorado

 
Aragonite on Calcite from Biedell Creek Quartz Prospects, Crystal Hill, 12.5 km northwest of La Garita, Saguache County, Colorado

Photo below under shortwave ultraviolet illumination:
Aragonite on Calcite from Biedell Creek Quartz Prospects, Crystal Hill, 12.5 km northwest of La Garita, Saguache County, Colorado

DESCRIPTION:No. 14779
Mineral:Aragonite on Calcite
Locality:Biedell Creek Quartz Prospects, Crystal Hill, 12.5 km northwest of La Garita, Saguache County, Colorado
Description:Elongated scalenohedral calcite crystals up to 15 mm overgrown with rounded white aragonite finger-shaped formations up to 10 mm long. The aragonite fluoresce green and the calcite fluoresces blue-white under UV illumination (2 Color Fluorescent!). This quartz outcrop was completely excavated by open pit mining ca. 1983
Overall Size:11x8x5 cm
Crystals:3-15 mm
Status: Sold - Posted here for reference only
Buy similar: Minerals from Western States, USA > Carbonate Minerals

 

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