Finegrained glaucophane schist
Origin: Terranova da Sibari, Spezzano d'Albanese, Calabria, Italy
Sample size: 3 x 6 cm
Sawn rock section showing pale blue patches of finegrained glaucophane in
quartz
matrix
Origin: southern Ural, Russia
Sample size: thumbnail
Specimen with folded glaucophane layers with 1-2 mm sized garnets
Origin: Ile de Groix, Brittany, France
Sample size: 8 x 16 cm
Variety crossite, believed to be an intermediate between glaucophane and
riebeckite
Origin: Del Puerto Canyon, Stanislaus Co., California, U.S.A.
Sample size: 3 x 10 cm
Finegrained glaucophane-almandine
schist
Origin: Reed Station, Tiburon Peninsula, Marin Co., California, USA
Sample size: 5 x 6 cm
Glaucophane schist with up to 4 mm long crystals
Origin: Cuneo Province, Italy
Sample size: 5 x 10 cm
Bluish-black fibrous crystals with
garnet
and
actinolite in schist
Origin: Panoche Valley, California, U.S.A.
Sample size: 6 x 6 cm
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