Andalusite
Specimen ID: F00-AM4
Andalusite : Al2(SiO4)O
Mindat locality:
7cm x 5cm x 2cm
Photo added to mindat.org
“Weathered andalusite crystals in mica-schist affected by retrograde metamorphism and partially replaced by quartz
XRD in attached pic ”
José Zendrera - 25th October 2015
Photo added to mindat.org
“XRD of an andalusite crystal affected by retrograde metamorphism ”
José Zendrera - 26th October 2015
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