AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Brazil > Quartz var. Amethyst pseudomorph after Aragonite with Calcite

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Quartz var. Amethyst pseudomorph after Aragonite with Calcite from Alto Uruguai, Rio Grande do Sul, Brazil

 
Quartz var. Amethyst pseudomorph after Aragonite with Calcite from Alto Uruguai, Rio Grande do Sul, Brazil

Quartz var. Amethyst pseudomorph after Aragonite with Calcite from Alto Uruguai, Rio Grande do Sul, Brazil

Quartz var. Amethyst pseudomorph after Aragonite with Calcite from Alto Uruguai, Rio Grande do Sul, Brazil

Quartz var. Amethyst pseudomorph after Aragonite with Calcite from Alto Uruguai, Rio Grande do Sul, Brazil

Quartz var. Amethyst pseudomorph after Aragonite with Calcite from Alto Uruguai, Rio Grande do Sul, Brazil

Quartz var. Amethyst pseudomorph after Aragonite with Calcite from Alto Uruguai, Rio Grande do Sul, Brazil

Quartz var. Amethyst pseudomorph after Aragonite with Calcite from Alto Uruguai, Rio Grande do Sul, Brazil

DESCRIPTION:No. 23
Mineral:Quartz var. Amethyst pseudomorph after Aragonite with Calcite
Locality:Alto Uruguai, Rio Grande do Sul, Brazil
Description:Lustrous translucent purple amethyst quartz pseudomorph after an 80 mm hexagonal aragonite crystal with minor tan calcite crystals to 8 mm. The aragonite formed first, then amethyst crystals to 20 mm grew on the surfaces, then the aragonite dissolved. Ex. Mel Pollinger collection #1653; originally acquired from Lambert Minerals
Overall Size:11x9.5x8 cm
Crystals:80 mm pseudo
Archived: For reference only

 

 

 

 

 

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