| 释义 |
tet·ra·he·drite
\ˌ ̷ ̷ ̷ ̷ˈhēˌdrīt\ noun
(-s)
Etymology: German tetraëdrit, from Late Greek tetraedros having four faces + German -it -ite
: a fine-grained gray mineral (Cu,Fe)12Sb4S13 that is isomorphous with tennantite, consists of a sulfide of copper, iron, and antimony and often also contains zinc, lead, mercury, or silver, occurs in characteristic tetrahedral crystals and also in massive form, and is often a valuable ore of silver and is also worked for copper (hardness 3-4, specific gravity 4.4-5.1) |