| 34901: Graphite in Calcite - $8 Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California Small cabinet - 7.6 x 6.4 x 3.7 cm 218 grams Specimen status: Available Send an email with specimen number to order Tiny flecks of graphite in a matrix of
massive calcite (not marble; gives a vigorous
effervescence with dilute HCl). I collected this
representative specimen from this very closed locality in
February of 2022.
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