General Stock  Page 5 

Minerals Beginning with   "D"

JC8536.   Danburite.  Aurora mine, Charcas, Mun. de Charcas, San Luis Potosi, Mexico.  7.5 x 9 cm tall.  252g.  $250.00   Pale pink, with a bruise on the lower front.  Displays well.       ON SALE, TAKE 20% OFF THE MARKED PRICE.
JC8536.  Another view.  
JC8853.   Datolite.  Dal'negorsk, Kavalerovo mining district, Primorskiy Kray, Far-Eastern region, Russia.   3.5 x 3.5 cm  39g.  $40.00.  A 2.2 cm crystal on matrix. 
JC8853.  Another view.  
JC8182.  Datolite, quartz.  Bor quarry, Dal'negorsk B deposit, Dal'negorsk, Kavalerovo mining district, Primorskiy Kray, Far-Eastern region, Russia.  4.5 x 10 cm  154g.  $165.00.   Ice blue datolite crystals with glassy luster are scattered through a white quartz group of crystals.   The datolite is a little more obvious than the photos would indicate.        ON SALE, TAKE 20% OFF THE MARKED PRICE.
JC8182.  Another view.  
JC8182.  Another view.
JC8182.  Another view.
JC6695.  Demantoid.  Benitoite Gem mine area, San Benito county, California.   3.5 x 7 cm  70g.  $160.00.   Sawn back.  One of the better pieces of these I've seen in a while.  Crystals up to 6mm.   The crystals are hard to get a true color shot of.  They are a lime green with a hint of yellow/olive to them.  The color here is fairly close, although not exact.   Two views are shown. 
JC6695.  Another view. 
JC9737.  Descloizite.  Preguica mine, Sobral de Adica, Mora, Beja district, Portugal.  3 x 5 cm  16g.  $6.00.  
JC8519.  Descloizite.  Kleiner-Obr district, Kleiner Obir, Hochobir, Karawanken, Carinthia, Austria.  4 x 4.7 cm   71g.  $25.00.  Sparkly micro crystals coating the specimen.  One of those rare localities where specimens are almost never seen for sale.  
JC8519.  Another view.  
JC8033.  Descloizite, dolomite.  Berg Aukas, Grootfontein, Namibia.   3 x 5 cm  46g.  $100.00.   Nice sharp miniature.  Brown blades with small dolomite crystals scattered around.
JC8033.  Another view. 
JC8033.  Reverse.  
JC9047.  Diopside, melanite.  Serpentine Dome, San Benito county, California.  11 x 19 cm  >1000g.  $50.00.   30 or so years ago, these were typical of the diopside rich zones of melanite in this area.  This old timer generates from that time period, and may date back to the 1960's.   White/cream bladed diopside heavily coats the matrix, with myriads of tiny, sparkly melanite crystals interspersed throughout.   Rare to see these anymore.  
JC9047.  Another view.  
JC9047.  Closer view of left side.  
JC9047.  Closer view of right side.  Lots of sparkle as tiny white spots on the melanite crystals. 
JC9047. Real close view of area on left side. 
JC7169.  Diopside.  Khogyani, Nangarhar province, Afghanistan.  2.5 x 8 cm long.  45g.  $250.00.    Glassy, dark forest green group, doubly terminated.  The back side has some residual white silica (quartz?) as a fine grained white coating.   Parallel growths, with a slight curvature, of crystals showing well defined faces and edges and perfect terminations. The crystals are translucent, very bright and have a deep green color.
JC7169.  Another view. 
JC7169.  Reverse. 
JC9320.  Dioptase.  Tsumeb mine, Tsumeb, Namibia.   5 x 9.5 cm   190g.  $300.00.   Approximately 1mm or so crystals heavily coating matrix.  Nice bright luster with the classic Tsumeb greenish blue/bluish green color that is so hard to photograph.   
JC9320.  Another view.  
JC9320.  Another, closer view.
JC9320.  Another, closer view.
JC9309.  Dioptase, quartz.  Kaokoveld plateau, Kunene region, Namibia.  6 x 8 cm  225g.  $125.00.   Less than 1mm crystals forming drusy crust on quartz matrix.  Ex Paul Zerfass collection.   Lots of sparkle.  
JC9309.  Another view.  
JC9309.  Another view.  
JC9029.  Dioptase.  Tsumeb mine, Tsumeb, Namibia.   7 x 9 cm  281g.  $125.00.    Face mostly coated by quite sparkly small dioptase crystals.   Pretty.  
JC9029.   Another view. 
JC9029.  close up.  
JC8771.  Dioptase.  Altyn Tyube, Karagandy Province, Kazakhstan.  7 x 8 cm  481g.  $75.00.   As seen .   Two views.        ON SALE, TAKE 20% OFF THE MARKED PRICE.


JC8771.  Another view.  
JC8469.  Dioptase.  Reneville, Kindanba district, Pool department, Republic of Congo.  5 x 7 cm  $275.00   Largest crystal is 1.6 cm, most are about 8mm in size.  Collected in the 1960's.   No damage.  Nice piece.    SOLD
JC7771.   Dioptase.  Altyn-Tyube deposit, Kirghiz Steppes, Karagandy Province, Kazakhstan.  5.5 x 6.5 cm  98g.  $150.00.   Nice sharp crystals in an etched calcite matrix.  Most commonly the dioptase crystals from here are buried in calcite and the calcite has to be etched away to reveal the dioptase crystals, as in this specimen.         ON SALE, TAKE 20% OFF THE MARKED PRICE.
JC9282.  Dolomite, chalcopyrite.  Ballard mine, Baxter Springs, Picher field, Tri-State district, Cherokee county, Kansas.  5 x 8.5 cm  79g.  $8.00.  Collected in 1948, same as the above specimen.   Pale pink dolomite with micro-crystals of chalcopyrite scattered around.  
JC9282.  Back side. 
JC8350.  Dolomite (cobaltian).  Katanga (Shaba), Democratic Republic of the Congo (Zaire).  4.5 x 6 cm  152g.  $50.00.   Pretty pink rhombs of this uncommon variety of dolomite. 
JC8350.  Another view. 
JC8350.  Close up view. 
JC8350.  Close up view.