| Home Page | Log In | Message Board | The Mindat Directory |
| Register | Search Pages | Chat Now! (2 online) | Mindat Auctions |
|
|
|
Bismuth : Bi, Bismutite : (BiO)2CO3, Bismoclite : BiOCl, Quartz : SiO2 | |
|
Wolfram Mine, Pittong, Ballarat, Victoria, Australia In quartz from the dumps at Pittong, bismuth, showing high lustre and a perfect cleavage. Surrounding this is a dull grey-green alteration product which consists of a mixture of bismutite and bismoclite, Field of view: 6mm. |
| © Judy Rowe | Photo ID: 220504 View Count: 59 |
Bismuth : Bi, Quartz : SiO2 | |
|
Wolfram Mine, Pittong, Ballarat, Victoria, Australia Native bismuth in reef quartz from Pittong, showing distinct layering and a metallic lustre. Field of view: 6mm. |
| © Judy Rowe | Photo ID: 234980 View Count: 28 |
Bismuthinite : Bi2S3, Quartz : SiO2 | |
|
Wolfram Mine, Pittong, Ballarat, Victoria, Australia A jumble of slender metallic black needles of bismuthinite in a small cavity in reef quartz from Pittong. Field of view: 2mm. |
| © Judy Rowe | Photo ID: 223176 View Count: 70 |
Chalcanthite : CuSO4·5H2O, Pyrite : FeS2, Quartz : SiO2 | |
|
Wolfram Mine, Pittong, Ballarat, Victoria, Australia Glassy blue-green chalcanthite in a small cavity lined with drusy pyrite in reef quartz from Pittong. Field of view: 3.5mm. Collected by and in the collection of Dick Haslem. |
| © Judy Rowe | Photo ID: 249518 View Count: 24 |
Chalcocite : Cu2S, Malachite : Cu2[(OH)2|CO3], Quartz : SiO2 | |
|
Wolfram Mine, Pittong, Ballarat, Victoria, Australia From the Pittong dumps, traces of black chalcocite and greenish malachite from a very narrow seam in quartz. Field of view: 11mm. |
| © Judy Rowe | Photo ID: 223191 View Count: 59 |
| |
|
Wolfram Mine, Pittong, Ballarat, Victoria, Australia A piece of quartz with little specks of iridescent chalcopyrite embedded in it. The play of colours changes as the direction of the lighting is altered. Specimens like this seem to be uncommon at Pittong. Field of view: 6mm. |
| © Judy Rowe | Photo ID: 220490 View Count: 76 |
Chalcopyrite : CuFeS2, Covellite : CuS, Quartz : SiO2 | |
|
Wolfram Mine, Pittong, Ballarat, Victoria, Australia Brass-coloured chalcopyrite embedded in quartz from Pittong. Small patches of a dark blue-black mineral showing at each end would be covellite, an alteration product of chalcopyrite. Field of view: 10mm. |
| © Judy Rowe | Photo ID: 220632 View Count: 53 |
Covellite : CuS, Sulphur : S8 | |
|
Wolfram Mine, Pittong, Ballarat, Victoria, Australia Tiny pale yellow crystals of sulphur on a deep blue layer of covellite. Photograph taken in 2004. Five years later, the greater part of each sulphur crystal has vanished and only a little of each remains, almost unrecognisable. Field of view: 1.7mm. |
| © Judy Rowe | Photo ID: 209210 View Count: 112 |
Dravite : [Na][Mg3][Al6][(OH)3|OH|(BO3)3|Si6O18], Quartz : SiO2 | |
|
Wolfram Mine, Pittong, Ballarat, Victoria, Australia Tiny dravite crystals in a quartz cavity. Field of view: 6mm. |
| © Judy Rowe | Photo ID: 189729 View Count: 154 |
Elsmoreite : WO3·0.5H2O, Ferberite : FeWO4 | |
|
Wolfram Mine, Pittong, Ballarat, Victoria, Australia Microscopic yellow crystals in a tiny vugh in blackish ferberite, all from within a piece of reef quartz. Field of view: 0.75mm. |
| © Judy Rowe | Photo ID: 191437 View Count: 161 |
| Page 1 of 3 (1 to 10 of 28 total) | Next Page | |
| Page: 1 2 3 | ||
