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1591 specimens found
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Fluorite -enclosing Shorl
stock #18.1-592
Erongo Mountain, Karibib
Erongo Region, Namibia
3.5 x 3.4 x 2.4 CM (small miniature/ large thumbnail (toenail))
price: $320


The Erongo Mountains sometimes produce some very exotic and amazing Fluorites. This is an excellent example with stacked "melted look" crystals completely enclosing crystals and sprays of Schorl. The Fluorites are all Spinel twinned, the highly etched surface gives an unusual look and the whole piece is simply bizarre. In fine condition a neat small miniature.
HOLD Malachite Pseudo after Azurite
stock #HOLD 18-AX-3-403
Milpillas Mine, Cuitaca, Municipio de Santa Cruz
Sonora, Mexico
9.1 x 6.7 x 6.8 CM (cabinet)
price: $525


Super form pseudomorphs that show well the original Azurite crystal shapes. The velvety green Malachite has excellent contrast to the white matrix and is in great condition. The largest crystal is over 4 CM long and the whole piece is quite esthetic. From the prolific period at Milpillas of a few years ago, a modern classic, there will not be anymore of these. A fine and very distinctive Pseudomorph.
Dolomite- cast with two generations
stock #16.1-305
Tsumeb
Otjikoto Region, Namibia
6.5 x 3.8 x 2.8 CM (cabinet)
price: $190


A delicate and fine Dolomite cast having two separate generations. The large scalenohedral shapes are hollow having just a thin skin of Dolomite that had covered what were likely Calcites, now long gone. The matrix is an earlier generation itself just a thin skin of tiny sparkling crystals. The Dolomite casts from Tsumeb were found in many exotic forms are are very collectable. This one is in perfect condition, esthetic and looks fine from all sides.
Aragonite with Calcite
stock #18.1-510-(190)

Gangwaon-Do, South Korea
6.9 x 5.3 x 4.9 CM (cabinet)
price: $160


Several habits and forms (mostly acicular) of Aragonite on and with Calcite. We see very few Korean minerals available, this is a pre 1960 specimen ex Hitchings collection, obtained in 1967. We trust the label and previous collection notes for information about this locality as it is not listed (at least by this spelling) in Mindat. The closest I can find is Chuncheon which does include Aragonite in its mineral list, however very little good mineral data is currently available for the Koreas. The Hitchings were very carful in their mineral notes and this was obtained in trade with Harvard so we assume there is some accuracy here. A choice piece with no damage by naked eye on any side.
Topaz - Classic Colorado
stock #15.1-684
Tarryall Mt, Park County
Colorado, United States
2.9 x 2.3 x 1.9 CM (thumbnail)
price: $230


A very nice thumbnail with fine provenance. This was in the Warren Johansson Collection since September 1941, he obtained this from the legendary George M White. Warren was a student at that time and was very actively exchanging minerals while working on his Phd. George White is famed for his Topaz finds. This specimen has a flawless clear, undamaged Topaz crystal perched on contrasting matrix. A choice slice of mineral history.
Fluorite -dark zoned
stock #14.1-415
Yaogangxian Tungsten Mine, Yizhang County
Hunan Province, China
4.1 x 3.3 x 2.5 CM (miniature)
price: $350


very sharp single cube perched on a shard of matrix, mostly Muscovite. The Fluorite has very deep purple zones and masses on the outer edges the center core is transparent and a light blue color. Very glassy luster as in all the better Yaoganxian Fluorites. The display side is perfect damage wise, there is contacting and cleaves on the back. Better in person, this is from mining in the 2004-5 season when a very rich area was worked. The locality no longer produces anything like this.
Pyrite -octahedral on Quartz Classic USA
stock #18.1-506
Emma Mine, Butte, Butte District, Silver Bow County
Montana, United States
5.4 x 4.3 x 2.7 CM (small cabinet/ large miniature)
price: $200


Octahedral Pyrite and milky Quartz in a classic combination from Butte. Additional dark sulphides are present but the main feature here is the lustrous Pyrites and elongated Quartz. In excellent condition which is rare in Butte pieces. Butte is one of the worlds greatest mining zones of the 19th and early 20th century. Good specimens are surprisingly rare, this is a nice one ex Les Hitchings collection.
Spangolite with Connellite
stock #18.1-508
La Finosa Mine, Fontana Rossa, Ghisoni Corte, Haute Corse
Corsica, France
6.2 x 4.8 x 1.7 CM (cabinet)
price: $240


A nicely crystallized specimen from this less well known old mine in Corsica. Specimens of this size are very rare and few have crystals that are visible by naked eye. The crystals here are densely packed, cover a sizable area and are brightly colored. The backside is also mineralized but less richly.
1591 specimens found
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | 191 | 192 | 193 | 194 | 195 | 196 | 197 | 198 | 199 |