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Eldorado Mine, Port Radium, Great Bear Lake, Mackenzie District, Northwest Territories, Canada Classic specimen of lustrous gray Acanthite crystals with Chalcopyrite on matrix! The largest crystal in the middle measures 1.8 cm in length! The remainder of this very rich Silver Sulfide is covered with smaller Acanthites and patches of iridescent Chalcopyrite. From the Eldorado Mine, Port Radium, Mackenzie District, Northwest Territories, ... |
| © www.exceptionalminerals.com | Photo ID: 154894 View Count: 422 |
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Giant Yellowknife Mine, Yellowknife, Northwest Territories, Canada Indistinct bluish metallic crystals of Berthierite imbedded in massive Stibnite (overall 6.0 x 5.5 x 2.5 cm). Ex L. D. Dickey collection. JF Carpentier specimen (#00671) and photograph. |
| © JF Carpentier 2007 | Photo ID: 114315 View Count: 190 |
Calcite : CaCO3, Dolomite : CaMg(CO3)2 | |
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Pine Point, Northwest Territories, Canada Brownish yellow rhombohedrons to about 1 cm across, on white dolomite. Note the double refraction visible in the top right crystal. Field width: 4.5 cm. P Haas photograph and collection (no. 52-070). |
| © Peter Haas | Photo ID: 36255 View Count: 384 |
Calcite : CaCO3, Dolomite : CaMg(CO3)2 | |
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Pine Point, Northwest Territories, Canada Calcite on dolomite. Specimen A113 in the collection of the photographer, Alan Goldstein. |
| © Alan Goldstein | Photo ID: 26042 View Count: 340 |
Calcite : CaCO3, Dolomite : CaMg(CO3)2 | |
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Pine Point, Northwest Territories, Canada Complex tabular crystals on pale yellow dolomite. Field width: 4.5 cm. P Haas photograph and collection (no. 52-003). |
| © Peter Haas | Photo ID: 36256 View Count: 291 |
Calcite : CaCO3 | |
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Pine Point, Northwest Territories, Canada Multiply twinned rhombic crystals with gemmy centers. 5cm X 3cm X 3cm |
| © Geoffrey Krasnov | Photo ID: 92313 View Count: 145 |
Calcite : CaCO3 | |
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Pine Point, Northwest Territories, Canada Cloudy pale rhombic cluster. 10.5cm X 5.5cm X 2.4cm |
| © Geoffrey Krasnov | Photo ID: 92368 View Count: 126 |
Diamond : C | |
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Ekati Mine, Lac de Gras, Northwest Territories, Canada NATURAL DIAMOND Ekati mine, Northwest Territories, Canada. 0.48 ct. This is the top of a natural octahedral diamond showing a 4 sided pyramid. The diamond is very bright and clear with some internal fractures. |
| © Crystal Vine | Photo ID: 20154 View Count: 940 |
Diamond : C | |
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Ekati Mine, Lac de Gras, Northwest Territories, Canada 3 carat Canadian octahedral diamond crystal. Pale brown and transparent, too internally imperfect for use as a gem. 8 x 7 x 6 mm. RFC T1531. Mindat.org Photo of the Day - 7th Feb 2007 |
| © Michael C. Roarke | Photo ID: 85351 View Count: 880 |
Diamond : C | |
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Ekati Mine, Lac de Gras, Northwest Territories, Canada NATURAL DIAMOND Ekati mine, Lac De Gras, Northwestern territories, Canada. 0.72ct. 0.5x0.6cm. This is a tabular rhomboid shaped grey opaque xtl. Quite unusual. |
| © Crystal Vine | Photo ID: 20158 View Count: 727 |
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