5atkria ((TENNANTITE, QUARTZ)), $15 MINIMUM BID, Tsumeb, Namibia, 6 x 5.5 x 3.5 cm, Miniature | |
Here is a specimen with grey black tetragonal Tennantite crystals and associated terminated Quartz. There are also so small rhombs that may be Smithsonite or Dolomite or Calcite. ex Uri Bahmann collection. |