6ehbfir ((GYPSUM with KOTTIGITE)), $25 MINIMUM BID, Ojuela Mine, Mapimi, Durango, Mexico, 6.5 x 3.5 x 2.5 cm, Miniature | |
Here is an undamaged double terminated Gypsum in a limonitic brown matrix. On the Gypsum and on the brown matrix are sprays of grey green Kottigite, a rare mineral related to Legrandite. This is an old specimen with no new finds of Kottigite or Legrandite for 30 years. |