Mineral Specimens with Calcite

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MD-41344 - Prehnite, Calcite - - Archived
Fanwood Quarry (Fanwood Stone Crushing and Quarry Co. Quarry; Fanwood Crushed Stone Co. Quarry; Scotch Plains Quarry; Weldon Quarry), Watchung, Somerset Co., New Jersey, USA

miniature, 4.4 x 2.7 x 2.7cm
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Prehnite, Calcite from Fanwood Quarry (Fanwood Stone Crushing and Quarry Co. Quarry; Fanwood Crushed Stone Co. Quarry; Scotch Plains Quarry; Weldon Quarry), Watchung, Somerset Co., New Jersey, USA [db_pics/mdpics/MD-41344a.jpg]

New New Jersey finds are always exciting, and this discovery last year of a pocket of super-sharp, gorgeous green pseudomorphs of prehnite after glauberite was a real treat! We bought many of the available specimens from this pocket, all that were at the show back then. The beautiful mint-green prehnite (very difficult to photograph and prettier in person) perfectly retains the form of the glauberite crystals! There are even a few calcite rhombs on this one. Though prehnite pseudomorphs have been found in New Jersey before, these new ones are exceptional for their exquisite form and bright color. 4.4 x 2.7 x 2.7cm


MD-41385 - Calcite (Var: Cobaltoan Calcite) - - Archived
Bou Bekker (Bou Becker), Touissit, Touissit District, Oujda-Angad Province, Oriental Region, Morocco

small cabinet, 8.9 x 4.6 x 4.0cm
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Calcite (Var: Cobaltoan Calcite) from Bou Bekker (Bou Becker), Touissit, Touissit District, Oujda-Angad Province, Oriental Region, Morocco [db_pics/mdpics/MD-41385a.jpg]

A rich plate of pretty pink crystals of cobaltoan calcite, of nice size (NOT just a druse), from recent finds in Morocco. 8.9 x 4.6 x 4.0cm


MD-41391 - Prehnite, Glauberite, Calcite - - Archived
Fanwood Quarry (Fanwood Stone Crushing and Quarry Co. Quarry; Fanwood Crushed Stone Co. Quarry; Scotch Plains Quarry; Weldon Quarry), Watchung, Somerset Co., New Jersey, USA

miniature, 4.2 x 2.5 x 2.3cm
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Prehnite, Glauberite, Calcite from Fanwood Quarry (Fanwood Stone Crushing and Quarry Co. Quarry; Fanwood Crushed Stone Co. Quarry; Scotch Plains Quarry; Weldon Quarry), Watchung, Somerset Co., New Jersey, USA [db_pics/mdpics/MD-41391a.jpg]

We have recently offered some specimens from an exciting new New Jersey find of prehnite pseudomorphing glauberite crystals. This pseudomorphed material actually serves as the MATRIX for this very unusual specime from the find, with sharp calcite crystals sitting on top! Super calcite! 4.2 x 2.5 x 2.3cm


MD-41399 - Okenite, Calcite, Gyrolite - - Archived
Nasik District, Maharashtra, India

large cabinet, 15.7 x 12.3 x 11.0cm
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Okenite, Calcite, Gyrolite from Nasik District, Maharashtra, India [db_pics/mdpics/MD-41399a.jpg]

An intact pocket containing a big, pristine ball of okenite hanging from the top wall (although protected by overhang), and a couple of other okenite balls elsewhere in the pocket, on a bed of sparkly microcrystals! There are also balls of gyrolite scattered about, and two of them have grown right around a cube of transparent calcite that has beautiful brown internal phantoms! These okenite balls actually have the appearance of velvet, consisting as they do of millions of hair-like, acicular crystals (if you win this specimen, be sure NOT to touch the balls!). A real showpiece! 15.7 x 12.3 x 11.0cm


MD-41403 - Calcite, Tourmaline, Laumontite - - Archived
Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA

miniature, 3.4 cm
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Calcite, Tourmaline, Laumontite from Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA [db_pics/mdpics/MD-41403a.jpg]

A UNIQUE and showy combination specimen from the famous Himalaya Mine. A lustrous, bi-colored, 3.4 cm watermelon-pink to green tourmaline crystal, along with smaller watermelon-pink tourmalines and a single green tourmaline crystal are attached to a HUGE laumontite-covered, 5.7 cm, flattened rhombohedral calcite crystal! The zeolite laumontite is EXTREMELY RARE at the Himalaya Mine and this may be the LARGEST calcite crystal ever recovered from the mine! Ex Korpi, Chuck Houser and Miller Calcite Collections. 7.0 x 6.7 x 6.7 cm


MD-41404 - Silver, Copper, Calcite - - Archived
Houghton Co., Michigan, USA

thumbnail, 1.5 cm.
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Silver, Copper, Calcite from Houghton Co., Michigan, USA [db_pics/mdpics/MD-41404a.jpg]

A showy and excellent old-time specimen from Michigans Copper Country of sharp, euhedral silver crystals perched on well-defined copper crystals in a vein with several lustrous copper-in-calcite crystals to 1.5 cm. The silver and copper crystals look like vertebrae. The quartz-rich matrix adds nice contrast. The piece comes with a 1941 Wards label. The back of the specimen has been partially reinforced with glue, but not repaired. This is a very fine combination piece. Ex Richard Hauck Collection. 5.6 x 4.5 x 4.0 cm


MD-41411 - Spinel, Calcite - - Archived
Mogok, Sagaing District, Mandalay Division, Burma (Myanmar)

small cabinet, 9.0 x 5.2 x 2.6 cm
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Spinel, Calcite from Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) [db_pics/mdpics/MD-41411a.jpg]

Two sharp, lustrous and gemmy, ruby-red spinel octohedrons to 7 mm nicely perched on the crest of a large white calcite cleavage from Mogok, Burma. Very little new material is coming from Burma, since the US has imposed a trade embargo. 9.0 x 5.2 x 2.6 cm


MD-41438 - Calcite, Dolomite, Chalcopyrite - - Archived
Nanisivik Mine, Nanisivik, Baffin Island, Nunavut Territory, Canada

thumbnail, 3.0 cm
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Calcite, Dolomite, Chalcopyrite from Nanisivik Mine, Nanisivik, Baffin Island, Nunavut Territory, Canada [db_pics/mdpics/MD-41438a.jpg]

An EXCELLENT and showy CABINET plate of lustrous, light amber calcite crystals on highly lustrous, glassy, gray dolomite rhombs from the famous Nanisivik Mine on Baffin Island, Canada. The dominating, 3.0 cm, compound, doubly terminated, golden-amber calcite crystal group really sets this piece off. Sparkly, micro chalcopyrite crystals are visible in the dolomite crystals. A CHOICE, pristine specimen from the Lewadny Collection. 10.5 x 7.3 x 3.0 cm


MD-41440 - Dioptase, Calcite - - Archived
Tsumeb, Otjikoto (Oshikoto) Region, Namibia

thumbnail, 1.0 cm
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Dioptase, Calcite from Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-41440a.jpg]

Beautifully gemmy and lustrous, emerald-green dioptase crystals to 4 mm line a vug in matrix filled with lustrous, transparent, colorless calcite rhombs to 1.0 cm from Tsumeb. 4.3 x 3.5 x 3.3 cm


MD-41472 - Calcite - - Archived
Daye Co., Huangshi Prefecture, Hubei Province, China

miniature, 4.3 x 3.5 x 2.2cm
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Calcite from Daye Co., Huangshi Prefecture, Hubei Province, China [db_pics/mdpics/MD-41472a.jpg]

Inside a very gemmy calcite crystal is a sharp scalenohedral crystal of an earlier generation! The small calcites around the larger crystal have a pretty orange hue from iron inclusions. Matrix is nicely trimmed to form a really prettyand interesting phantom miniature! 4.3 x 3.5 x 2.2cm


MD-41474 - Calcite - - Archived
Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA

cabinet, 10.6 x 4.5 x 3.7cm
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Calcite from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-41474a.jpg]

With the mine closed now, it is amazing how quickly these gemmy twins have disappeared from the market. It is particularly hard to find larger crystals without tip damage, something peculiarly common on Elmwood calcites. Other than a micro-ding nearly invisible to the naked eye on one tip, this crystal is pristine, and almost a floater, with one small area of attachment on the back with a bit of sphalerite remaining where it was taken off the pocket wall. These are world-class calcites and are only now being fully appreciated! 10.6 x 4.5 x 3.7cm


MD-41475 - Calcite - - Archived
Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia

small cabinet, 6.4 x 5.6 x 4.6cm
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Calcite from Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-41475a.jpg]

A very gemmy, 4-cm calcite sits up beautifully on the carefully-trimmed matrix, surrounded by smaller crystals - aesthetic and fine Russian calcite specimen. 6.4 x 5.6 x 4.6cm


MD-41484 - Calcite - - Archived
IraĆ­, Alto Uruguai region, Rio Grande do Sul, South Region, Brazil

cabinet, 10.7 x 7.5 x 4.5cm
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Calcite from IraĆ­, Alto Uruguai region, Rio Grande do Sul, South Region, Brazil [db_pics/mdpics/MD-41484a.jpg]

Irai was known for these superb, gorgeous calcites, and then the supply seemed to dry up. There were hardly any available at the Tucson show, and they were overpriced, so we bought none. Then, to our surprise, we found this wonderful cache of new specimens with one dealer at the small Spring Denver Show earlier this year, and cherry-picked all the best ones. Unlike in the past, the calcites in this batch showed all sorts of different forms - all of them beautiful. 10.7 x 7.5 x 4.5cm


MD-41497 - Calcite - - Archived
2nd Sovietskii Mine (2nd Sovietskiy Mine), Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia

miniature, 4.5 cm
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Calcite from 2nd Sovietskii Mine (2nd Sovietskiy Mine), Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-41497a.jpg]

A large, STUNNING calcite specimen, with BIG, GEMMY scalenohedral crystals (to 4.5 cm in length and 3 cm thick) growing up in all directions. Only minimal damage, and that on periphery. In person , MUCH MUCH better. A dazzling Dalnegorsk showpiece, glittering with reflected light! 14.7 x 10.1 x 9.5cm


MD-41498 - Fluorite, Calcite - - Archived
Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA

small cabinet, 5.2 x 4.6 x 3.2cm
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Fluorite, Calcite from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-41498a.jpg]

To go along with the fine calcite twin from the Elmwood in this auction, here is a really large and nice fluorite from there. This BIG crystal measures 5 cm along the edge, and you can see a couple of gemmy calcites decorating the display face. The contact is on back, and does wrap around to barely ding one corner on of the main face, but this does not stand out. 5.2 x 4.6 x 3.2cm



(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 161 / 208  -  prev  -  3120 specimens selected  -  next



Rob Lavinsky, rob@irocks.com

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