15dm947 ((ANTHRAXOLITE synonym of PYROBITUMEN)), $10 MINIMUM BID, Chelmsford, Balfour Township, Ontario, Canada, 3.5 x 2 x 2 cm, Miniature | |
Per mindat Pyrobitumen is a hydrocarbon of variable composition and related to petroleum like amber related to tree resin. It may be enriched in N, S, and sometimes rare elements of U, V, Pt, etc. ex Dennis McMurdie collection. ex Minerals Unlimited with label. |