A naturally occurring crystalline form of carbon dimorphous with diamond. It is opaque, soft, greasy to the touch, and iron black to steel gray; it occurs as crystals, flakes, scales, veins, bedded masses, or disseminations in metamorphic rocks. AGID84
This term has 10,140 records attributed within our system.
703
Strang, William
(Draughtsman)
PD.324-1995
Strutt, Arthur John
(Draughtsman)
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