Chiastolite Schist (metamorphic rock)3D ModelNoAI
Locality: Armorican Massif, France
No.: 9900
Size: 6.5 x 5 x 1 cm
Type: Metamorphic rock - foliated
Description: Schist is a medium to coarse-grained, a strongly foliated rock rich in platy or elongated minerals. Schist forms during regional metamorphism. Composition may be highly variable. The term ‘schist’ is preceded by diagnostic minerals: quartz schist, mica schist, quartz mica schist, graphite schist, etc. Its protolith (parent-rock) can be Siltstone or Shale.
Chiastolite is Al2SiO5 - aluminum silicate, a variety of the mineral Andalusite, which is common in some metamorphic rocks.
Essential minerals: play minerals like mica, chlorite, amphibole or talc.
Non-essential minerals: quartz, feldspar, epidote, graphite, cordierite, sillimanite, calcite, etc.
Website: http://geology.uaic.ro/muzee/mineralogie/
Concept & 3D-modelling by Andrei Ionut APOPEI
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