42 specimens selected...
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The last full batch of minerals from the Zowader Collection.
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DZ3301 - Quartz var. Amethyst
Irai, Rio Grand Do Sol, Brazil
small cabinet - 6.6 x 6.0 x 2.0 cm
$ AT-AUCTION
An amethyst flower with form typical of Southern Brazil. What sets it apart is the better than average crystal transparency.
(click on an image to enlarge)
DZ3303 - Sand Calcite
Fontainbleu, France
miniature - 4.5 x 3.2 x 3.1 cm
$ 200.00 SOLD
A very sharp calcite group with sand inclusions from the French locality south of Paris. While not as old as the historic castle of Fontainbleu, this specimen dates back to 1892.
(click on an image to enlarge)
DZ3304 - Stilbite
Nasik, India
small cabinet - 6.8 x 6.0 x 3.6 cm
$ AT-AUCTION
Simple elegance.
(click on an image to enlarge)
DZ3305 - Topaz with Smoky Quartz
Nercinsk District, Transbaikalia, Russia
small cabinet - 6.4 x 4.9 x 3.8 cm
$ AT-AUCTION
A classical topaz with muscovite and doubly terminated smoky quartz.
This piece was part of the Albert C. Burrage Collection, and was donated to Harvard 17 years after his death in 1931.
(click on an image to enlarge)
DZ3306 - Cuprite with Malachite Coating
Emke Mine, Onganja, Africa
miniature - 5.0 x 4.2 x 3.5 cm
$ 1000.00 SOLD
Classic malachite coated cuprites with associated carbonate minerals coating gossenous stalactites. The carbonate looks like smithsonite, but calcite is also prevelant at the mine.
(click on an image to enlarge)
DZ3307 - Siderite
Nova Lima, Minas Gerais, Brazil
small cabinet - 5.8 x 5.0 x 2.6 cm
$ AT-AUCTION
Semi-transparent siderite crystals with small white dolomite crystals on the back.
(click on an image to enlarge)
DZ3308 - Copper with Calcite
Sverdlovskaya Oblast, Russia
small cabinet - 5.2 x 1.8 x 1.3 cm
$ 150.00 SOLD
A nice long spinel twin of copper partly coated in calcite crystals.
(click on an image to enlarge)
DZ3309 - Adamite
Ojuela Mine, Mapimi, Durango, Mexico
small cabinet - 6.6 x 3.8 x 2.9 cm
SOLD
Unusually large adamite crystals. The light tan color may be due to iron oxide inclusions
(click on an image to enlarge)
DZ3310 - Rutile on Kyanite
Graves Mountain, Lincoln County, Georgia USA
small cabinet - 5.8 x 4.5 x 3.3 cm
$ AT-AUCTION
Super lustrous twinned rutile crystal in a intergrown mass of kyanite crystals replaced by Fe/Mn oxides.
(click on an image to enlarge)
DZ0901 - Betekhtinite
Dzhezkazgan, Karaganda Region, Kazakhstan
small cabinet - 6.0 x 5.7 x 2.6
$ 900.00 DISCOUNTED 35.00% OFF TO $ 585.00 SOLD
A surprisingly good example of a rare copper lead sulfosalt.
Click here for specimen video.
(click on an image to enlarge)
DZ0902 - Chalcocite
Flambeau Mine, Ladysmith, Rusk County, Wisconsin USA
miniature - 4.1 x 3.5 x 2.5 cm
$ 500.00 DISCOUNTED 35.00% OFF TO $ 325.00 SOLD
This chalcocite exhibits sharp crystals, nice aesthetics, and an attractive blue to purple patina depending on orientation.
Mined by Casey Jones in the mid 90's.
Click here for specimen video.
(click on an image to enlarge)
DZ0903 - Descloizite
Berg Aukas Mine, Grootfontein, Namibia
small cabinet - 5.1 x 4.5 x 3.9 cm
$ AT-AUCTION
Descloizites are typically thought of as a black mineral. These crystals, however, are light brown on the edges and semi-transluscent. They are accented by tiny dolomites on both the crystals and matrix.
Click here for specimen video.
(click on an image to enlarge)
DZ0906 - Apophyllite
Poonah, India
small cabinet - 8.1 x 5.7 x 4.0 cm
$ AT-AUCTION
Normally I don't get to excited about an apophyllite from India, however this piece must have been one of the earlier specimens to reach the US market. It was at one time sold by Schortmann's, has been in the Karabachic Collection, and also the Art Montgomergy Collection.
Click here for specimen video.
(click on an image to enlarge)
DZ5501 - Tourmaline
Minas Gerais, Brazil
small cabinet - 9.0 x 0.6 x 0.3 cm
SOLD
A single gem tourmaline pencil grading from blue to bluegreen. The color reminds me of some Santa Rosa tourmalines.
(click on an image to enlarge)
DZ5502 - Hessite with Quartz
Botes, Alba County, Romania
miniature - 3.6 x 2.6 x 2.5 cm
$ AT-AUCTION
Hessite from the Botes Mine is perhaps the most iconic telluride known to the collecting community. Here is a great example of this rare silver tellurium mineral.
(click on an image to enlarge)
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