D defs.my
Entry 1 sense Webster, 1913

Geocronite

· Ge·oc·ro·nite · IPA
01 n. A lead-gray or grayish blue mineral with a metallic luster, consisting of sulphur, antimony, and lead, with a small proportion of arsenic.
  1. 1.
    A lead-gray or grayish blue mineral with a metallic luster, consisting of sulphur, antimony, and lead, with a small proportion of arsenic.(Min.)