Mineral Specimens with Calcite

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PRNJ-25 - Calcite on Prehnite cast after Anhydrite - $ 1200
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA

small cabinet, 8.5 X 6 X 4 cm
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Calcite on Prehnite cast after Anhydrite from Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA [db_pics/new2011/PREHNITE-PROSPECTPARKQUARRY-NJ-PREHN25-85MM-10.jpg]
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Calcite on Prehnite cast after Anhydrite from Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA [db_pics/new2011/PREHNITE-PROSPECTPARKQUARRY-NJ-PREHN25-85MM-13.jpg]
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Calcite on Prehnite cast after Anhydrite from Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA [db_pics/new2011/PREHNITE-PROSPECTPARKQUARRY-NJ-PREHN25-85MM-19.jpg]
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Calcite on Prehnite cast after Anhydrite from Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA [db_pics/new2011/PREHNITE-PROSPECTPARKQUARRY-NJ-PREHN25-85MM-13C.jpg]

A beautiful combo piece, among the few in the pocket with such exposed calcites not subjected to weathering and/or damage. The elongated casts of very lustrous, translucent, light green prehnite after anhydrite, to 4 cm in length, are mostly covered by calcite crystals: they are lustrous and translucent, and to to 3.5 cm in length. The calcites shoot up and off the plate, whereas the prehnites go left to right in orientation. The bottom face of the specimen clearly exhibits hollow casts of what were once anhydrite, showing how the prehnite formed as cast pseudomorphs atop. Super Interesting specimen, bluntyly: and one of the better calcites we obtained from the pocket !


PRNJ-41 - Prehnite cast after Anhydrite with Calcite - $ 300
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA

large cabinet, 15 X 9 X 7 cm
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Prehnite cast after Anhydrite with Calcite from Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA [db_pics/new2011/PREHNITE-PROSPECTPARKQUARRY-NJ-PREHN41-15CM-3.jpg]
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Prehnite cast after Anhydrite with Calcite from Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA [db_pics/new2011/PREHNITE-PROSPECTPARKQUARRY-NJ-PREHN41-15CM-3C.jpg]
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Prehnite cast after Anhydrite with Calcite from Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA [db_pics/new2011/PREHNITE-PROSPECTPARKQUARRY-NJ-PREHN41-15CM-3C2.jpg]

A pretty plate of solid prehnite. Mostly nubby, short fingers of prehnite totally cover this plate. They are all very lustrous and translucent and of a light apple-green color. The largest finger reaches 3.5 cm in length, flat-laying. The bottom face shows evidence of hollow casts after anhydrite, upon which the prehnite formed. Tip-breaks, damage, to a few of the relatively minor prehnite tips in no way detracts from the specimen overall , but on close examination I do find them detracting and thus this is a much lower price on a big plate.


rar09-wp10 - Chalcostibite with Calcite - SOLD
Boldut Mine, Cavnic, Romania

cabinet, 9.9 x 5.2 x 3.1 cm
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Chalcostibite with Calcite from Boldut Mine, Cavnic, Romania [db_pics/pics/rar09-wp10a.jpg]
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Chalcostibite with Calcite from Boldut Mine, Cavnic, Romania [db_pics/pics/rar09-wp10b.jpg]
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Chalcostibite with Calcite from Boldut Mine, Cavnic, Romania [db_pics/pics/rar09-wp10c.jpg]

ex. Dr. Werner Paar Collection Chalcostibite on tetrahedite, associated with (?) zinkenite, quartz and sharp disc-shaped calcite, featuring beautifully lustrous crystals of xls of Chalcostibite up to 5 mm; and arranged in clusters upon tetrahedite. The Romanian suite is of particular pride in this collection and he had several notable chalcostibite specimens, all from a famous and small find of about 1990. Never has the same quality come out before or since, here.


RARE-09-26 - Ellestadite-(F) in Calcite - $ 350
Commercial Quarry, Sky Blue Hill, Crestmore, Riverside, California, USA

miniature, 5.1 x 4.0 x 2.7 cm
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Ellestadite-(F) in Calcite from Commercial Quarry, Sky Blue Hill, Crestmore, Riverside, California, USA [db_pics/pics/rare-09-26a.jpg]
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Ellestadite-(F) in Calcite from Commercial Quarry, Sky Blue Hill, Crestmore, Riverside, California, USA [db_pics/pics/rare-09-26b.jpg]

A large crystal of yellow fluorine-rich ellestadite to 1.5 cm, trapped in beautiful blue calcite. These are common enough as microcrystalline material from this locality, but few crystals of such size (and in good condition) are found. Quite exceptional for the species. Although still collected, I have seen many years' worth of material found here on sporadic trips by friends, and I can say crystals like this are superb and rare. NOTE: Texas Industries is the current owner of Riverside Cement and the cement plant there has been shut down since a week before Christmas 2008.


RARE08-2-02 - Boltwoodite on Calcite - SOLD
Rossing Uranium Mine, Arandis District, Erongo Region, Namibia

small cabinet, 7.1 x 5.0 x 2.2 cm
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Boltwoodite on Calcite from Rossing Uranium Mine, Arandis District, Erongo Region, Namibia [db_pics/pics/rare08-2-02a.jpg]
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Boltwoodite on Calcite from Rossing Uranium Mine, Arandis District, Erongo Region, Namibia [db_pics/pics/rare08-2-02b.jpg]
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Boltwoodite on Calcite from Rossing Uranium Mine, Arandis District, Erongo Region, Namibia [db_pics/pics/rare08-2-02c.jpg]

Freestanding, 3-dimensional sprays of fine boltwoodite xls to 8mm make this a superb species specimen, but also overall its quite unusually aesthetic. Rare in this quality, boltwoodite comes at its best from this uranium mine.


RARE08-2-37 - Spherocobaltite on Calcite - SOLD
Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo, Zaire

small cabinet, 8.9 x 5.6 x 3.8 cm
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Spherocobaltite on Calcite from Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo, Zaire [db_pics/pics/rare08-2-37a.jpg]
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Spherocobaltite on Calcite from Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo, Zaire [db_pics/pics/rare08-2-37b.jpg]
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Spherocobaltite on Calcite from Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo, Zaire [db_pics/pics/rare08-2-37c.jpg]
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Spherocobaltite on Calcite from Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo, Zaire [db_pics/pics/rare08-2-37d.jpg]

Spherocobaltite is a very rare (and thankfully beautiful!) cobalt carbonate, NOT to be confused with cobaltian calcite or dolomite which do not have as much cobalt in them. This is one of two beautiful specimens I obtained, from a find of the 1980s, with glittering, sugary, intensely colored maroon crystals of Spherocobaltite perched on matrix of rhomdohedral calcite. The druse underneath the crystals is probably acrystalline Spherocobaltite adhering to the matrix. The color is just...JUICY, for lack of a better word. I love these specimens and buy every one I see turn up, which is not very many these days.


RARE08-2-38 - Spherocobaltite on Calcite - SOLD
Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo, Zaire

small cabinet, 8.1 x 5.2 x 2.5 cm
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Spherocobaltite on Calcite from Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo, Zaire [db_pics/pics/rare08-2-38a.jpg]
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Spherocobaltite on Calcite from Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo, Zaire [db_pics/pics/rare08-2-38b.jpg]
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Spherocobaltite on Calcite from Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo, Zaire [db_pics/pics/rare08-2-38c.jpg]

Spherocobaltite is a very rare (and thankfully beautiful!) cobalt carbonate, NOT to be confused with cobaltian calcite or dolomite which do not have as much cobalt in them. This is one of two beautiful specimens I obtained, from a find of the 1980s, with glittering, sugary, intensely colored maroon crystals of Spherocobaltite perched on matrix of rhomdohedral calcite. The druse underneath the crystals is probably acrystalline Spherocobaltite adhering to the matrix. The color is just...JUICY, for lack of a better word. I love these specimens and buy every one I see turn up, which is not very many these days.


rdn06 - Rhodonite, Quartz, Calcite - SOLD
Martin Mine, Chiurucu, Huanzala, Huanuco, Peru

miniature, 4.5 x 3.0 x 3.0 cm
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Rhodonite, Quartz, Calcite from Martin Mine, Chiurucu, Huanzala, Huanuco, Peru [db_pics/pics/rdn06a.jpg]
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Rhodonite, Quartz, Calcite from Martin Mine, Chiurucu, Huanzala, Huanuco, Peru [db_pics/pics/rdn06b.jpg]
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Rhodonite, Quartz, Calcite from Martin Mine, Chiurucu, Huanzala, Huanuco, Peru [db_pics/pics/rdn06c.jpg]


rdn11 - Rhodonite, Calcite - SOLD
Martin Mine, Chiurucu, Huanzala, Huanuco, Peru

thumbnail, 2.6 x 2.5 x 2.3 cm
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Rhodonite, Calcite from Martin Mine, Chiurucu, Huanzala, Huanuco, Peru [db_pics/pics/rdn11a.jpg]
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Rhodonite, Calcite from Martin Mine, Chiurucu, Huanzala, Huanuco, Peru [db_pics/pics/rdn11b.jpg]


rdn12 - Rhodonite, Calcite - $ 1500
Martin Mine, Chiurucu, Huanzala, Huanuco, Peru

miniature, 4.9 x 3.7 x 2.7 cm
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Rhodonite, Calcite from Martin Mine, Chiurucu, Huanzala, Huanuco, Peru [db_pics/pics/rdn12a.jpg]
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Rhodonite, Calcite from Martin Mine, Chiurucu, Huanzala, Huanuco, Peru [db_pics/pics/rdn12b.jpg]
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Rhodonite, Calcite from Martin Mine, Chiurucu, Huanzala, Huanuco, Peru [db_pics/pics/rdn12c.jpg]
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Rhodonite, Calcite from Martin Mine, Chiurucu, Huanzala, Huanuco, Peru [db_pics/pics/rdn12d.jpg]


RH02-03 - Argentite on Calcite - SOLD
Pribram, Bohemia, Czech Republic

miniature, 5.1 x 5.1 x 2.0 cm
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ex.  Richard Hauck

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Argentite on Calcite from Pribram, Bohemia, Czech Republic [db_pics/pics/rh02-03a.jpg]
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Argentite on Calcite from Pribram, Bohemia, Czech Republic [db_pics/pics/rh02-03b.jpg]

Sharp, lustrous argentite crystals to 9mm nestled in a small pocket of quartz crystals on a massive quartz matrix. The largest argentite crystal appears to have been hollowed out or "hoppered" during formation yet is still well terminated. Unique, old European classics like this are very difficult to obtain.


RH02-51 - Chalcopyrite coating Calcite - SOLD
Pribram, Bohemia, Czech Republic

cabinet, 9.9 x 5.0 x 6.0 cm
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ex.  Richard Hauck

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Chalcopyrite coating Calcite from Pribram, Bohemia, Czech Republic [db_pics/pics/rh02-51a.jpg]
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Chalcopyrite coating Calcite from Pribram, Bohemia, Czech Republic [db_pics/pics/rh02-51b.jpg]

Very aesthetic group of chalcopyrite coated calcite crystals, with the largest crystal being more than 4cm across. The chalcopyrite appears to have preferentially coated only certain faces on the calcites. In addition, it appears that secondary calcite growth may have also covered some of the chalcopyrite. Slight contacting along some of the crystal edges can be observed but is forgiveable given the size and age and overall beauty, i think! A couple of old collection labels are included.


RH1-29 - Aurichalcite with Calcite - SOLD
Kelly Mine, Magdalena, New Mexico, USA

small cabinet, 5.3 x 4.6 x 2.9 cm
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ex.  Richard Hauck

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Aurichalcite with Calcite from Kelly Mine, Magdalena, New Mexico, USA [db_pics/pics/rh1-29a.jpg]

This specimen features a matrix coated with a beautiful layer of pastel, aquamarine colored, acicular aurichalcite , blanketed with colorless, lustrous calcite crystals, to 1.0 cm across. Classic and rare today, on the market, these are selling at a premium when they do turn up and make for unique locality pieces.


RH3-07 - Copper in Calcite - SOLD
Keweenaw Peninsula, Michigan, USA

miniature, 3.1 x 2.1 x 1.9 cm
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ex.  Richard Hauck

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Copper in Calcite from Keweenaw Peninsula, Michigan, USA [db_pics/pics/rh3-07a.jpg]
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Copper in Calcite from Keweenaw Peninsula, Michigan, USA [db_pics/pics/rh3-07b.jpg]
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Copper in Calcite from Keweenaw Peninsula, Michigan, USA [db_pics/pics/rh3-07c.jpg]
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Copper in Calcite from Keweenaw Peninsula, Michigan, USA [db_pics/pics/rh3-07d.jpg]

Small cluster of semi-transparent calcite crystals to 1.8cm, with bright shiny copper included within. The scalahedral calcite crystals are sharp and well-formed with no significant damage. Michigan calcites with copper came from several mines in the district, but almost all came out almost 100 years ago. Few clusters appaer on the market, with most specimens being singles. Also, this one is just plain pretty! This specimen comes with a label indicating the piece was purchased from a William Collins on June 3, 1935.


RH3-32 - Calcite on Amethyst - SOLD
Queretaro, Guanajuato, Mexico

miniature, 5.9 x 5.6 x 4.2 cm
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ex.  Richard Hauck

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Calcite on Amethyst from Queretaro, Guanajuato, Mexico [db_pics/pics/rh3-32a.jpg]
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Calcite on Amethyst from Queretaro, Guanajuato, Mexico [db_pics/pics/rh3-32b.jpg]

This absolutely superb specimen features a large, rounded, flattened, rhomb of colorless calcite, 6.0 cm across, aesthetically perched on a matrix of pastel, lilac amethyst, to .5 cm across. This specimen is definitely a candidate for competition. The color contrast is awesome! VERY RARE OLD STYLE!



(click on a page number to go to that page:)

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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
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Rob Lavinsky, rob@irocks.com

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