5947 - Andalusite

At-A-Glance

Country of Origin

MA
United States

Photos

Essential Information

Specimen ID

5947

Mineral Name

Andalusite

Chemical Formula

Al2SiO5=Al[6]Al[5]OSiO4
Specimen Number
001

Is specimen photograph correct? There is a Andalusite #1 stored in drawer M5, as of 07/25/2022. -HS

Prismatic black crystal with termination, cut

Geographic Origin

Locality Nickname

Lancaster, Massachusetts

Locality Lat/Long

42.4556452, -71.6731242
Original Attributed Locality
Massachusetts
Lancaster