Polished specimen of banded fluorspar
Call Number:
0251
Date:
1960
Notes:
Light bands are coarse-grained, darker bands are fine-grained fluorspar Circular 296, Plate 1-B; Circular 420, Figure 4A;
1 photograph and negative;
Keywords:
Fluorspar--specimen;
Industrial minerals
Added Entries:
Circular 296;
Circular 420
ID:
245
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