Mineral Specimens with Calcite

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SF22 - Fluorite ps. Calcite - SOLD
Mina el Carmen, Santa Eulalia, Chihuahua, Mexico

small cabinet, 8 x 7 x 5 cm
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Fluorite ps. Calcite from Mina el Carmen, Santa Eulalia, Chihuahua, Mexico [db_pics/pics/sf22a.jpg]
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Fluorite ps. Calcite from Mina el Carmen, Santa Eulalia, Chihuahua, Mexico [db_pics/pics/sf22b.jpg]

An extremely rare specimen from a small find of beautiful , sparkly, fluorite pseudomorphed after calcite. The sparkle is in part due to a an overgrowth of tiny drusy quartz, but the fluorite is also nice and bright in itself. Excellent specimen from the Peter Megaw Collection


SF31 - Calcite on Quartz - SOLD
Roncari Quarry, East Granby, Connecticut, USA

miniature, 6.6 x 4.3 x 2.2 cm
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Calcite on Quartz from Roncari Quarry, East Granby, Connecticut, USA [db_pics/pics/sf31a.jpg]
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Calcite on Quartz from Roncari Quarry, East Granby, Connecticut, USA [db_pics/pics/sf31b.jpg]

Another superb example of calcite from this startling new find! This one features a 5.25 cm DOUBLY-TERMINATED crysatl exquisitely perched on a plate of quartz


SF6 - Calcite - SOLD
Guilin, Guangxi, China

small cabinet, 7.8 x 2 x 0.7 cm
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Calcite from Guilin, Guangxi, China [db_pics/pics/sf6a.jpg]
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Calcite from Guilin, Guangxi, China [db_pics/pics/sf6b.jpg]

A remarkably tapered, golden yellow, gemmy crystal from a small new find! It is very elegant and artistic in style!


SF9 - Quartz on Calcite on Calcite ps. Anhydrite - SOLD
Roncari Quarry, East Granby, Connecticut, USA

miniature, 5 x 3.5 x 2.7 cm
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Quartz on Calcite on Calcite ps. Anhydrite from Roncari Quarry, East Granby, Connecticut, USA [db_pics/pics/sf9a.jpg]
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Quartz on Calcite on Calcite ps. Anhydrite from Roncari Quarry, East Granby, Connecticut, USA [db_pics/pics/sf9b.jpg]

Superb example of calcite from this startling new find! It is perched on some crystals of quartz ps after anhyrdite and also has small, sparkling quartz crystals as accent as well


SN102 - Pyrite with Calcite - SOLD
Julcani Mine, Huancavelica Dept., Peru

thumbnail, 2.6 x 2.2 x 1.8 cm
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ex.  Sam Nasser

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Pyrite with Calcite from Julcani Mine, Huancavelica Dept., Peru [db_pics/pics/sn102a.jpg]

SHARP pyrites draped by lovely contrasting calcite on the back and top. BETTER IN PERSON!


SN110 - Calcite - £ 13
Irai, Rio Grande do Sul, Brazil

thumbnail, 3 x 2.8 x 2.2 cm
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ex.  Sam Nasser

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Calcite from Irai, Rio Grande do Sul, Brazil [db_pics/pics/sn110a.jpg]

Just a cute locality calcite!


SN146 - Vanadinite with Calcite - SOLD
San Carlos Mine, Chihuahua, Mexico

thumbnail, 3 x 1.6 x 1.1 cm
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ex.  Sam Nasser

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Vanadinite with Calcite from San Carlos Mine, Chihuahua, Mexico [db_pics/pics/sn146a.jpg]

Looking more like a pyromorphite specimen, this vanadinite not only has hopper growth, but, multiple terminations. It is highly lustrous with a brownish-green hue and is wreathed at the bottom by colorless calcite crystals. Truly special and aesthetic!


SN154 - Vanadinite on Calcite pseudo. after Fluorite - SOLD
North Geronimo Mine, La Paz Co., Arizona, USA

thumbnail, 1.8 x 1.8 x 1.7 cm
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ex.  Sam Nasser

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Vanadinite on Calcite pseudo. after Fluorite from North Geronimo Mine, La Paz Co., Arizona, USA [db_pics/pics/sn154a.jpg]

This fascinating thumbnail is a must for both pseudomorph and Arizona collectors. Millimeter size, lustrous, orange, vanadinite crystals sprinkle the two, sharp crystals of calcite after fluorite. VERY interesting combo!


SN16 - Quartz and Manganocalcite - SOLD
Chiurucu, Peru

thumbnail, 2.5 x 2.3 x 2.2 cm
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ex.  Sam Nasser

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Quartz and Manganocalcite from Chiurucu, Peru [db_pics/pics/sn16a.jpg]
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Quartz and Manganocalcite from Chiurucu, Peru [db_pics/pics/sn16b.jpg]

Very attractive and elegant combo!.


SN169 - Vanadinite on Calcite - SOLD
San Carlos Mine, Chihuahua, Mexico

thumbnail, 2.6 x 2.1 x 1.7 cm
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ex.  Sam Nasser

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Vanadinite on Calcite from San Carlos Mine, Chihuahua, Mexico [db_pics/pics/sn169a.jpg]

This is not the most expensive vanadinite specimen in the lot, but it is my personal favorite. Individual, barrel shaped crystals of lustrous, translucent, orange, crystals of vanadinite have been emplaced in a matrix of colorless, gemmy, calcite. WOW!


SN63 - Arsenopyrite and Calcite - £ 29
Julcani Mine, Huancavilica Departmant, Peru

thumbnail, 2.4 x 2.4 x 2.1 cm
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ex.  Sam Nasser

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Arsenopyrite and Calcite from Julcani Mine, Huancavilica Departmant, Peru [db_pics/pics/sn63a.jpg]
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Arsenopyrite and Calcite from Julcani Mine, Huancavilica Departmant, Peru [db_pics/pics/sn63b.jpg]

Unusually sharp arseno crystals for the locality!.


SN87 - Calcite - SOLD
Hardin Co., Illinois, USA

thumbnail, 2.6 x 2.1 x 2.2 cm
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ex.  Sam Nasser

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Calcite from Hardin Co., Illinois, USA [db_pics/pics/sn87a.jpg]

Cute cluster of intergrown crystals!


STOUDT-04 - Rhodochrosite with Quartz & Gypsum casting Calcite - £ 958 SOLD
Santa Eulalia District, Mun. de Aquiles Serdan, Chihuahua, Mexico

small cabinet, 6 x 5.5 x 5cm
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ex.  David Stoudt

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Rhodochrosite with Quartz & Gypsum casting Calcite from Santa Eulalia District, Mun. de Aquiles Serdan, Chihuahua, Mexico [db_pics/new2011/Stoudt4-09.jpg]
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Rhodochrosite with Quartz & Gypsum casting Calcite from Santa Eulalia District, Mun. de Aquiles Serdan, Chihuahua, Mexico [db_pics/new2011/Stoudt4-06.jpg]
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Rhodochrosite with Quartz & Gypsum casting Calcite from Santa Eulalia District, Mun. de Aquiles Serdan, Chihuahua, Mexico [db_pics/new2011/Stoudt4-18.jpg]

This pastel, pink colored specimen is a really cute combination of pastel-pink rhodochrosite casting over (and partially replacing) several large scalenohedral calcites, all of which is then dusted by a secondary coating of sparkling and bubbly rhodo atop. Small gypsum crystals and a few bright and sparkling quartz points are in association. The piece is just a very unique and attractive rhodo, overall - not quite like any other I have seen. Joe Budd photos.


STOUDT-07 - Cinnabar on Calcite - £ 1916
Charcas, Mun. de Charcas, San Luis Potosi, Mexico

small cabinet, 9.2 x 5.0 x 2.5
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ex.  David Stoudt
ex.  Jean Behier

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Cinnabar on Calcite from Charcas, Mun. de Charcas, San Luis Potosi, Mexico [db_pics/new2011/Stoudt7-04.jpg]
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Cinnabar on Calcite from Charcas, Mun. de Charcas, San Luis Potosi, Mexico [db_pics/new2011/Stoudt7-08.jpg]
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Cinnabar on Calcite from Charcas, Mun. de Charcas, San Luis Potosi, Mexico [db_pics/new2011/Stoudt7-09.jpg]
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Cinnabar on Calcite from Charcas, Mun. de Charcas, San Luis Potosi, Mexico [db_pics/new2011/Stoudt7-12.jpg]
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Cinnabar on Calcite from Charcas, Mun. de Charcas, San Luis Potosi, Mexico [db_pics/new2011/Stoudt7-13.jpg]
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Cinnabar on Calcite from Charcas, Mun. de Charcas, San Luis Potosi, Mexico [db_pics/new2011/Stoudt7-15.jpg]
Cinnabar on Calcite from Charcas, Mun. de Charcas, San Luis Potosi, Mexico [db_pics/new2011/behierlabel.jpg]

This is an old piece from the extensive collection of geologist Jean Behier, the "founding father" of modern Madagascar's georesources policies and a well known French collector. It came to market and drifted quickly into the Stoudt collection through dealers Alain Martaud and Dave Bunk, where I was stunned when I first saw it some years ago. I had no idea that Mexican cinnabar got so good! These sharp, gemmy crystals (some twinned) are cherry red and perched on contrasting white calcite matrix. You would think they were Chinese, but for the history and some subtle differences in matrix. I have never seen such large and gemmy cinnabars from any North American locale, though you see tiny ones from a few places (Texas, Alaska...rarely). The piece, as befitting its inclusion in this major display collection, is ALSO large and showy, as well as important. I value it highly, in part bsaed on what I paid for it and in part because it is just so obviously frigging important! When one considers how much even mediocre China cinnabar costs, here you have something that has to rank among the best of the species from Mexico, for a fraction of China prices. It seems crazy, how undervalued some Mexican specimens can be. Joe Budd photos.


T-EM5 - Emerald on Calcite (twinned) - SOLD
Coscuez Mine, Boyaca Dept., Colombia

thumbnail, 3.1 x 2.5 x 2 cm
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Emerald on Calcite (twinned) from Coscuez Mine, Boyaca Dept., Colombia [db_pics/pics/t-em5a.jpg]
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Emerald on Calcite (twinned) from Coscuez Mine, Boyaca Dept., Colombia [db_pics/pics/t-em5b.jpg]
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Emerald on Calcite (twinned) from Coscuez Mine, Boyaca Dept., Colombia [db_pics/pics/t-em5c.jpg]
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Emerald on Calcite (twinned) from Coscuez Mine, Boyaca Dept., Colombia [db_pics/pics/t-em5d.jpg]

Thumbnail, 2.7 x 2 x 1 cm What more could you want in a thumbnail specimen? Emerald thumbers are rare enough on matrix, and with such a unique matrix at that I think this piece stands out from the crowd. The crystal has EXCELLENT color, brilliance, and a lot of gemminess to it, even gemmy zones that are cutters. The emerald has one partial crack near the base, though it does not seem to go through the crystal where it is anchored to the calcite and thus indicate a repair; otherwise it is undamaged and complete all around as you can see in the pictures.

 



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

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
199 200 201 202 203 204 205 206 207 208

 page 201 / 208  -  prev  -  3120 specimens selected  -  next



Rob Lavinsky, rob@irocks.com

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