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Chalcedony (Var: Agate) : SiO2, Chalcedony | |
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Aurangabad District, Maharashtra, India This extremely rare and unusual formation of agate was one of 5 from the find and is reputed to be the 3rd best of the lot - the 2 better specimens were sold at Tuscon in 2005. The find was made in September 2004. The agate "growth" stands 65mm above its agate and chalcedony base. It has a translucent, pimpled surface and is blue/gray on one side ... |
| © Greenside Minerals | Photo ID: 74707 View Count: 172 |
Chalcosiderite : Cu(Fe3+,Al)6[(OH)4|(PO4)2]2 · 4H2O | |
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Wheal Phoenix (Phoenix United Mine; West Phoenix Mine), Linkinhorne, Caradon & Phoenix Area (South-Eastern Bodmin Moor), Liskeard District, Cornwall, England, UK A rich spread of dark green, translucent crystals of chalcosiderite mostly to 1mm but exceptionally reaching to 1.5mm. The covering consists of single crystals (and clusters of) tabular to short prismatic irregular hexagons on a matrix of quartz and iron oxides. Overall size: 87*37*60mm |
| © Greenside Minerals | Photo ID: 75137 View Count: 104 |
Copper : Cu, Cuprite : Cu2O, Quartz : SiO2 | |
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South Caradon Mine, St Cleer, Caradon & Phoenix Area (South-Eastern Bodmin Moor), Liskeard District, Cornwall, England, UK An open aggregate of native Copper. There is also a small amount of massive cuprite. Overall size: 80*52*64mm |
| © Greenside Minerals | Photo ID: 75143 View Count: 89 |
Fluorite : CaF2, Quartz : SiO2, Siderite : FeCO3 | |
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Cook's Kitchen Mine, Tuckingmill, Camborne, Camborne - Redruth - St Day District, Cornwall, England, UK This Cornish fluorite consists of light blue 10mm on edge balanced on water-clear quartz some of which are coated to one side light brown siderite crystals. Overall size: 79*35*43mm |
| © Greenside Minerals | Photo ID: 74756 View Count: 88 |
Heulandite | |
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Ahmadnagar District (Ahmednagar District; Ahmed Nagar District), Maharashtra, India An amazing specimen that consists entirely of a nest of pink, red and green spearhead-shaped tabular heulandite crystals to 12mm. Overall size: 119*60*94mm |
| © Greenside Minerals | Photo ID: 74754 View Count: 138 |
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