E495 - Datolite $ 700 (=~ CAN$ 877)
small cabinet - 8.5 x 5.5 x 4.5 cm
Large single light green Datolite crystal. Great luster with areas of transparency.
US128 - Neptunite $ 750 (=~ CAN$ 940)
Gem Mine, San Benito Co., California
miniature - 3.7 x 2 x 1.5 cm
High quality, steeply terminated cluster of Neptunite crystals on a small amount of crossite schist and Natrolite matrix.
NA119 - Azurite with Quartz, Cerussite, and Chrysocolla $ 475 (=~ CAN$ 595)
Sierra Rica, Chihuahua, Mexico
miniature - 4 x 4 x 2.5 cm
Azurite clusters to 1.1 cm wide in an unusual association with Quartz, Cerussite, and Chrysocolla from a little known locality in Mexico. Oddly, this specimen comes with a receipt from Shreve & Company (a jewelry store in San Francisco) dated 1970 with a sale price of $25. Azurite clusters are bright and lustrous and occur on both sides of specimen.
US129 - Amethyst $ 200 (=~ CAN$ 251)
Kingston Mountain, San Bernardino Co., California
small cabinet - 6 x 3.0 x 2.5 cm
Single fat Amethyst crystal, buldging out in the midsection. Complete all around and undamaged.
US130 - Copper in Calcite $ 450 (=~ CAN$ 564)
Houghton, Michigan, USA
miniature - 4.1 x 2.3 x 2.3 cm
Single Calcite crystal with bright, untarnished Copper inside and hackly masses of Copper extending out from the Calcite in areas. Mounted on a Lucite stand.
US131 - Smithsonite $ 350 (=~ CAN$ 438)
Kelley Mine, Magdelena, New Mexico
miniature - 5 x 3.1 x 2.5 cm
3-dimensional piece with thick, rounded masses of Smithsonite on both sides. Smithsonite is a sky-blue color with a highly satiny surface luster.
US134 - Quartz $ 200 (=~ CAN$ 251)
Adam Peak, Osgood Mountains, Humboldt Co., Nevada
miniature - 4.5 x 2.5 x 1 cm
Japan Law twin Quartz with light smokey coloration. The crystals are flat and tabular but thicker than most on this specimen, with scepter growth on the right twin. Transparent and glassy on the front faces but with bits of mica attached to the backside which makes them appear less transparent in the photos than they actually are. Complete and undamaged.
TU6 - Elbaite var. Indicolite $ 1200 (=~ CAN$ 1503)
Naipa Mine, Alto Ligonha, Mozambique
miniature - 4.4 x 0.9 x 0.8 cm
ex. Carl Acosta
Gem quality blue Elbaite with a steep pyramidal termination. Complete all around and undamaged.
TU9 - Malachite and Azurite $ 450 (=~ CAN$ 564)
Bou Bekker Mine, Morocco
small cabinet - 7.5 x 5 x 3 cm
Limonite matrix covered by velvety needles of Malachite hosts a 3cm tall Azurite crystal that is partially replaced by Malachite. Although the replacment appears to have been haphazard with various green splotches of Malachite, the crystal form remains a sharp rosette.
TU16 - Hambergite, Elbaite on Quartz $ 1500 (=~ CAN$ 1879)
Stak Nala, Skardu District, Pakistan
small cabinet - 7.5 x 6 x 4 cm
Green color-zoned Elbite crystal and two Hambergites adorn a double-terminated Quartz crystal. Well balanced specimen with a Hambergite crystal on either end, largest a twinned 1.5 cm crystal. Undamaged except for a tiny nick on one of the 3 termination tips of the right side of the Quartz. Superb piece that could be cleaned and prepped to look even better.
TU20 - Rutile with Quartz $ 300 (=~ CAN$ 376)
miniature - 4.4 x 3 x 3 cm
Sharp and lustrous Rutile crystal grown adjacent to a Quartz crystal.
TU23 - Shattuckite after Dioptase after Calcite $ 450 (=~ CAN$ 564)
Tantara Mine, Shinkolobwe, Democratic Republic of Congo
small cabinet - 6 x 4 x 3 cm
Solid mass of blue Shattuckite with minor Dioptase and Chrysocolla. Top edges have the rare double psuedomorph of Shattuckite after Dioptase after Calcite. Good clusters to the left and right with a perfect upright crystal in center. From the spring of 2011 find. Rare and from a limited find.
TU29 - Malachite over Bornite $ 450 (=~ CAN$ 564)
cabinet - 12.5 x 8 x 3.5 cm
Bornite crystals to 1.5 cm wide with a surficial coating of Malachite. The crystals are well separated and dispersed across the flat display face and the crystal form is discernable despite the Malachite coating. Bornite crystals are rare and those with Malachite coating rarer still.
TU30 - Vivianite $ 800 (=~ CAN$ 1002)
Tomokoni Mine, Potosi, Bolivia
small cabinet - 9 x 5 x 5 cm
Pair of gemmy green Vivianites, one pointing up and the other sort of down and across, in a vug in red sandstone matrix. Perhaps the most aesthetic specimen of these Vivianites I have ever seen. No damage.
TU32 - Fluorite $ 300 (=~ CAN$ 376)
Huanggangliang Mine, Inner Mongolia, China
miniature - 4.5 x 4 x 3.5 cm
Transparent lavender Fluorite crystal atop a small stalk of etched Fluorite.
©2010 Marin Mineral