Mineral Specimens with Calcite

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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
199 200 201 202 203 204 205 206 207 208

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MD-251181 - Cuprite, Calcite, Willemite - - Archived
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
miniature, 4.2 x 2.9 x 2.6 cm.
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Cuprite, Calcite, Willemite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-251181a.jpg]		CLICK HERE FOR LARGER IMAGE:
Cuprite, Calcite, Willemite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-251181b.jpg]

4.2 x 2.9 x 2.6 cm. Lustrous, sharp, wine-red cuprite crystals in clusters or as discrete crystals are nicely scattered on the 3-dimensional sliver of gossan matrix. Beautifully complimenting the cuprites is a rich carpet of sparkly, pastel-green cuprian calcite microcrystals and a few yellow willemite crystals. Excellent combination material from the Tsumeb Mine and the Rob Smith Collection.

MD-251185 - Fluorite, Calcite - - Archived
Annabel Lee mine, Harris Creek Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
small cabinet, 5.8 x 4.8 x 4.5 cm.
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Fluorite, Calcite from Annabel Lee mine, Harris Creek Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA [db_pics/mdpics/MD-251185a.jpg]		CLICK HERE FOR LARGER IMAGE:
Fluorite, Calcite from Annabel Lee mine, Harris Creek Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA [db_pics/mdpics/MD-251185b.jpg]

5.8 x 4.8 x 4.5 cm. A classic and fine Annabel Lee Mine fluorite specimen from Southern Illinois. This is a complete-all-around, purple-cored with yellow cube. It is a near floater. Glassy, colorless calcite scalenohedrons cover four of the six sides of the cube. The isolated, doubly-terminated calcite crystal is 8 mm. Ex. Bill Fritzler Collection.

MD-251194 - Fluorite, Calcite - - Archived
Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
small cabinet, 5.5 x 5.0 x 4.8 cm.
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Fluorite, Calcite from Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA [db_pics/mdpics/MD-251194a.jpg]

5.5 x 5.0 x 4.8 cm. Two colorless,calcite crystal florets nicely accent this incredibly vivid purple fluorite cube from the Illinois Fluorspar District. The highly lustrous faces are lightly frosted and have very interesting stepped-growth. Ex. Bill Fritzler Collection.

MD-251204 - Calcite - - Archived
Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA
small cabinet, 6.8 x 6.4 x 3.8 cm.
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Calcite from Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA [db_pics/mdpics/MD-251204a.jpg]

6.8 x 6.4 x 3.8 cm. An aesthetic upright cluster of glassy, translucent, amber calcite crystals from the Sweetwater Mine. The three primary crystals are doubly terminated and the longest is 7.0 cm. Classic, highly representative material from this well-known locale. Ex. George Feist Collection # 3055.

MD-251457 - Calcite, Hematite, Andradite - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
miniature, 4.4 x 4.2 x 3.5 cm.
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Calcite, Hematite, Andradite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251457a.jpg]		CLICK HERE FOR LARGER IMAGE:
Calcite, Hematite, Andradite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251457b.jpg]

4.4 x 4.2 x 3.5 cm. A quite remarkable combination piece from the Wessels mine. The gemmy 3.5 cm Calcite, which has excellent luster and deep orange-red fluorescence in the core, is seemingly impaled on a super-lustrous, complex 4 cm Hematite. Exceptional and unusual. For color and interest, there is a layer of brilliant micro Andradites that create a sparkly druse on the Hematite. The stark symmetry is dramatic, as well. Ex. Charlie Key.

MD-251465 - Calcite - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
miniature, 3.2 x 3 x 1.7 cm.
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Calcite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251465a.jpg]		CLICK HERE FOR LARGER IMAGE:
Calcite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251465b.jpg]

3.2 x 3 x 1.7 cm. A spplendid, 2 cm, gem-clear Calcite on matrix. This equant and complex crystal is sharp and water-clear. This is a jewel-like crystal. It sparkles and shines like quartz, not calcite. Ex. Charlie Key.

MD-251477 - Andradite, Hematite, Calcite - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
small cabinet, 5.5 x 4.8 x 2 cm.
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Andradite, Hematite, Calcite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251477a.jpg]		CLICK HERE FOR LARGER IMAGE:
Andradite, Hematite, Calcite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251477b.jpg]

5.5 x 4.8 x 2 cm. A beautiful combination of deep-red, lustrous Andradites, mirror-like Hematites, and gem-clear Calcites. The best Hematite has a superb, lustrous face 1 x 1 cm, and it is draped incredibly by a layer of Garnets, like a shawl. The largest of the gemmy Calcites is about 1.3 cm long and sits right in front of the largest and best Hematite. All draped, in part, by all these great 1-2 mm Andradites. Ex. Charlie Key.

MD-251485 - Calcite (Var: Manganoan Calcite), Kutnohorite - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
miniature, 3.3 x 2.8 x 1.8 cm.
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Calcite (Var: Manganoan Calcite), Kutnohorite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251485a.jpg]
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Calcite (Var: Manganoan Calcite), Kutnohorite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251485b.jpg]		CLICK HERE FOR LARGER IMAGE:
Calcite (Var: Manganoan Calcite), Kutnohorite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251485c.jpg]

3.3 x 2.8 x 1.8 cm. Fascinating and very attractive spheres of pink Manganoan Calcite that grew as a crust on Kutnohorite crystals. The Manganoan Calcite has a lovely drusy, sparkly, nice color, and brilliant fluorescence. The largest of the spheres is 2.7 cm across. The Kutnohorite below is completely intact, which is not always the case. A very unusual, and quite striking, specimen. Ex. Charlie Key.

MD-251495 - Prehnite, Calcite - - Archived
Goboboseb Mountains, Brandberg area, Brandberg District, Erongo Region, Namibia
miniature, 3.7 x 3.5 x 3.3 cm.
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Prehnite, Calcite from Goboboseb Mountains, Brandberg area, Brandberg District, Erongo Region, Namibia [db_pics/mdpics/MD-251495a.jpg]

3.7 x 3.5 x 3.3 cm. An outstanding combination of Prehnite and Calcite from the Goboboseb Mountains in Namibia. The wheel-shaped Prehnite cluster is superb - good luster, attractive mint-green color, and translucent. It is a respectable 3.2 cm across and rests on a crystalline Calcite matrix. Ex. Charlie Key Collection.

MD-251499 - Calcite - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
small cabinet, 6.7 x 5.5 x 3.5 cm.
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Calcite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251499a.jpg]
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Calcite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251499b.jpg]		CLICK HERE FOR LARGER IMAGE:
Calcite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251499c.jpg]

6.7 x 5.5 x 3.5 cm. A fine cluster of sharp, gemmy Calcite crystals from the Wessels Mine. The lustre is excellent, too. All the crystals have complex faces, and some even have beautiful wide beveled edges. The largest crystal, itself twinned, is gemmy and a full 3 cm along one dimension and 4 cm across. The crystals have the classic deep-orange fluorescence exhibited by Wessels Calcites. Ex. Charlie Key.

MD-251505 - Calcite (Var: Manganoan Calcite) - - Archived
Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
small cabinet, 5.1 x 4 x 3 cm.
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Calcite (Var: Manganoan Calcite) from Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251505a.jpg]		CLICK HERE FOR LARGER IMAGE:
Calcite (Var: Manganoan Calcite) from Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251505b.jpg]

5.1 x 4 x 3 cm. An elegant specimen of sharp, dog-tooth Manganoan Calcites on matrix. The .5 cm crystals have a lovely lavender-pink color and an attractive frosted surface. The bands of Calcites along the matrix are perfectly proportioned for maximum visual appeal. Excellent red fluorescence. Very rarely do you see this habit from the Kalahari and, in fact, I have only seen it from Hotazel. An excellent, attractive specimen. Ex. Charlie Key.

MD-251567 - Hematite, Calcite - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
miniature, 3.7 x 3 x 1.5 cm.
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Hematite, Calcite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251567a.jpg]		CLICK HERE FOR LARGER IMAGE:
Hematite, Calcite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251567b.jpg]

3.7 x 3 x 1.5 cm. A fine miniature composed of brilliant to satin Hematite crystals, accented with a nice cluster of small calcite crystals. The largest of the Hematites is an amazing 2.5 cm, has an attractive satin luster, and is very sharp. On the opposite side are several sharp, mirror-luster Hematites with excellent form, the largest of which is 1.3 cm in length. Ex. Charlie Key.

MD-251597 - Calcite (Var: Cobaltoan Calcite) - - Archived
Bou Azzer, Bou Azzer District, Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco
small cabinet, 5.7 x 4.4 x 3.7 cm.
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Calcite (Var: Cobaltoan Calcite) from Bou Azzer, Bou Azzer District, Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco [db_pics/mdpics/MD-251597a.jpg]

5.7 x 4.4 x 3.7 cm. A fine specimen of Cobaltoan Calcite from Morocco. The gemmy and lustrous crystals, which range up to about .7 cm, have the deep pink color that Cobaltoan Calcite is famous for. Ex. Charlie Key.

MD-251600 - Kutnohorite, Calcite (Var: Manganoan Calcite) - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
cabinet, 13 x 10 x 7 cm.
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Kutnohorite, Calcite (Var: Manganoan Calcite) from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251600a.jpg]		CLICK HERE FOR LARGER IMAGE:
Kutnohorite, Calcite (Var: Manganoan Calcite) from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-251600b.jpg]

13 x 10 x 7 cm. A superb, visually interesting, and large Kutnohorite. The color is a very good solid pink hue, and the crystal habit ranges from the classic fans to the radial balls to one whole side that looks like a fantastic cave growth. Add in a series of elongated, highly fluorescent Manganoan Calcite crystals growing along one part of the Kutnohorite cluster (revealed by their fluorescence), and you have a truly amazing piece of the two related species growing in tandem. Ex. Charlie Key.

MD-251865 - Calcite (Var: Cobaltoan Calcite), Malachite - - Archived
Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
miniature, 3.5 x 2.7 x 2.3 cm.
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Calcite (Var: Cobaltoan Calcite), Malachite from Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-251865a.jpg]

3.5 x 2.7 x 2.3 cm. A beautiful, elegant crystal with a shiny, metallic cobaltoan coating to it that is unlike any I have seen. Normally, you get pink calcites. This is pink, true, but not all the way through. Only the surface layer seems to be cobalt-rich, and that in itself is unusual. The result, for some reason, is this metallic shimmering effect. Associated is dark green malachite for a fine accent. From finds made in the late 1980s.


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

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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

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Rob Lavinsky, rob@irocks.com

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