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Anorthosite
Image Not Available
Anorthosite
Collector: Johnson, Mary
Dimensions:
20.4x 20.3x 2.5
Object number: 2019.3.2788
Descriptionlarge Test-letter slab with an "H" carved into it. Precambrian (borenville?). Dark-grey rock made of amehoid labradorite (dark grey. oxides. white cracks, bronzeschiller),