| Home Page | Log In | Message Board | The Mindat Directory |
| Register | Search Pages | Chat Now! (2 online) | Mindat Auctions |
|
|
|
Adularia : KAlSi3O8 | |
|
Wheal Hazard (Hazard Section), Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Image width: 2 mm. |
| © Richard De Nul | Photo ID: 80841 View Count: 209 |
Almandine : Fe2+3Al2[SiO4]3 | |
|
Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK 25cm plate of crystals. From Natural History Museum collection |
| © J.Ralph | Photo ID: 196816 View Count: 465 |
Apatite | |
|
Wheal Owles, Truthwall, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Platy hexagonal crystals to 0.6mm showing 3 growth zones |
| © Steve Rust | Photo ID: 8843 View Count: 425 |
Apatite-(CaF) (Var: Carbonate-rich Apatite-(CaF)) : Ca5[(F,O)|(PO4,CO3)3] | |
|
Levant Mine, Trewellard, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Apatite crystals, typically 3mm, var francolite (Carbonate-Fluorapatite). Ian Jones collection, collected 1978. |
| © Ian Jones | Photo ID: 9150 View Count: 998 |
Apatite-(CaF) (Var: Carbonate-rich Apatite-(CaF)) : Ca5[(F,O)|(PO4,CO3)3] | |
|
Geevor Mine, Pendeen, Botallack - Pendeen Area, St Just District, Cornwall, England, UK 4.5 x 4.4 x 3.3 cm. A strange rarity from this old mine, of the apatite group of minerals. This is an unusually rich specimen, with high lustre and a pleasing brown color. |
| © Rob Lavinsky | Photo ID: 263149 View Count: 5 |
Carbonate-rich Apatite-(CaF) (Var: Francolite) : Ca5[(F,O)|(PO4,CO3)3] | |
|
Geevor Mine, Pendeen, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Large specimen of Carbonate-rich Apatite formerly known as Francolite. This piece comes from the Simm's lode, Levant area of the Geevor mine. Collection and photo, Paul De Bondt. |
| © Paul De Bondt | Photo ID: 179015 View Count: 119 |
Aragonite : CaCO3, Paratacamite : Cu3(Cu,Zn)[(OH)3|Cl]2 | |
|
Wheal Hazard (Hazard Section), Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK 2mm fan of aragonite with green tiny crystals of paratacamite. |
| © Steve Rust | Photo ID: 11827 View Count: 399 |
Aragonite : CaCO3 | |
|
Wheal Hazard (Hazard Section), Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Image width: 2 mm. |
| © Richard De Nul | Photo ID: 80842 View Count: 118 |
Aragonite : CaCO3 | |
|
Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Aragonite crystals to 20mm, sitting on small tan rhombs of possibly calcite, on a quartz/brown jasper matrix. Specimen size 5 x 4 x 4 cm Collection and photo - Colin Fearon |
| © Colin Fearon | Photo ID: 191938 View Count: 62 |
Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS | |
|
Levant Mine, Trewellard, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Very sharp, well crystallized arsenopyrite crystals to 3 mm with several milky quartz crystals to 10 mm long on one end. Good specimen, no damage. Ex. Dr. E. Sensel collection #M381. Overall size of mineral specimen: 3x2x2 cm. Size of individual crystals: 2-10 mm. |
| © 2001 John H. Betts | Photo ID: 777 View Count: 576 |
| Page 1 of 22 (1 to 10 of 215 total) | Next Page | |
| Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | ||