General Stock  Page 5 

Minerals Beginning with   "D"

JC11874.  Descloizite.  Berg Aukas Mine (Berg Aukus Mine), Grootfontein, Otjozondjupa Region, Namibia.  3.5 x 4 cm 35g.    Ex Earl Calvert collection.  #844.  $40.00  
JC11874.  Back side.  
JC11520.  Descloizite.  Berg Aukas mine, Grootfontein, Otjozondjupa region, Namibia.  5 x 7.5 x 8.5 cm   318g.   $295.00   Lustrous, dark reddish brown bladed crystals.   Ex Crowley Collection #: JAC 795.    A few broken crystals as can be seen in the photos.  
JC11520.   Another view. 
JC11520.   Another view.
JC11520.   Another view.
JC10660.  Descloizite.  Berg Aukas mine, Grootfontein, Otjozondjupa region, Namibia.  Slightly iridescent black, bladed crystals.   8 x 10 cm  266g.  $250.00.   Slightly iridescent black bladed crystals coating matrix.   
JC10660.  Closer view. 
JC10660.  Closer view yet. The iridescence can be seen on these crystals. 
JC10397.  Descloizite   Berg Aukas Mine (Berg Aukus Mine), Grootfontein, Otjozondjupa Region, Namibia.  5 x 9 cm    123g.  $70.00.   Classic specimen from Berg Aukas.  Bladed, near black to brown bladed crystals make up the piece.  There are 3 broken crystals, visible in this photo as light areas near the center top area of the piece.   Otherwise in good shape.  
JC10397.   Closer view.  
JC10213.  Descloizite.  Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal.  3 x 7.5 cm  64g  $15.00.   Partial coating of near black micro crystals. 
JC10213.  Close up view.  
JC9737.  Descloizite.  Preguica mine, Sobral de Adica, Mora, Beja district, Portugal.  3 x 5 cm  16g.  $10.00.  
JC11672.  Dioptase.  Kaokoveld plateau, Kunene region, Namibia.   5 x 7.5 cm  94g.  $295.00.   Most likely from the Omaue mine.  Typical dioptase color, with good luster.  Stacked crystals for a nice arrangement.  On one side is a sort of "sun burst" arrangement of crystals.  I tried to catch that in the photo below, but it doesn't show really well in the photo.  
JC11672.   Side view.  
JC11672.  Close up of the sort of "sun burst" arrangement of crystals.  
JC10863.   Dioptase, duftite?  N'tola mine, Mindouli, Mindouli district, Pool department, Republic of the Congo.   4.5 x 8 cm  151g. $125.00    Brilliant dioptase green crystals with what appears to be a slight dusting of duftite in one area.     Sawn base.
JC10863.  Closer view. 
JC10863.   Close up view.  
JC10650.  Dioptase, Kaokoveld plateau, Kunene region, Namibia.   3 x 5 cm   34g.  $95.00.   Cute miniature.  Difficult to photograph as the crystals tend to blend into each other in the photos.   Crystals are bright, rather gemmy, with that classic dioptase color.  
JC10650.   Another view. 
JC10650.  Another view. 
JC10637.  Dioptase.   Ntola mine, Mindouli, Mindouli district, Pool department, Republic of the Congo.   4 x 4.8 cm   68g.  $98.00.  Nice miniature.  Brilliant luster crystals from the recent find.  Small gob of poorly formed calcite on the bottom edge.  
JC10637.  Same view without the centimeter ruler.  
JC10548.  Dioptase.  Tsumeb mine, Tsumeb, Namibia.   4.3 x 8 cm  87g  $195. 00    Small, brilliant, gemmy, dioptase crystals on what appears to be dolomite.  Lots of sparkle.   Sawn back.  
JC10548.   Close up.  
JC10651.  Dolomite, dioptase.  Tsumeb mine, Tsumeb, Namibia.  4.5 x 6.5 cm  160g.  $18.00.   Well defined white dolomite crystals in a shallow vug, with a small sprinkling of dioptase crystals in the upper right part of the piece. 
JC10651.  Closer view.