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Uploaded by OpticalMineral on Nov 11, 2009
Andalusite in plane polarized and cross polarized light, showing chiastolite cross, moderate relief, and low interference colors. Matrix contains fine-grained biotite and quartz.
Science & Technology
Standard YouTube License
j'aime les pierres
lesphinx27140 1 year ago
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j'aime les pierres
lesphinx27140 1 year ago