| Home Page | Log In | Message Board | The Mindat Directory |
| Register | Search Pages | Chat Now! (2 online) | Mindat Auctions |
|
|
|
Goethite : α-Fe3+O(OH) | |
|
Graves Mountain, Lincoln Co., Georgia, USA A stalactite of brilliantly iridescent goethite, showing an amazing play of colors! An old Georgia specimen. Better in person 4 x 1.4 x 1.2 cm |
| © Rob Lavinsky | Photo ID: 37991 View Count: 243 |
Goethite : α-Fe3+O(OH) | |
|
Graves Mountain, Lincoln Co., Georgia, USA An EXCELLENT and EXTREMELY SHOWY two-sided specimen of iridescent, botryoidal goethite from Graves Mountain in Georgia. Super rainbow of colors. Not much of this material is available anymore. Ex Marty Lewadny Collection of Winnipeg, Canada. 6.4 x 4.3 x 3.0 cm |
| © Rob Lavinsky | Photo ID: 38437 View Count: 226 |
Goethite : α-Fe3+O(OH) | |
|
Graves Mountain, Lincoln Co., Georgia, USA An excellent and sculptural two-sided crust of iridescent, green, purple and rust-red, botryoidal goethite from Graves Mountain, Georgia. Not much of this material is available anymore. Ex Marty Lewadny Collection of Winnepeg, Canada 6.0 x 3.8 x 1.9 cm |
| © Rob Lavinsky | Photo ID: 38083 View Count: 221 |
Goethite : α-Fe3+O(OH), Hematite : Fe2O3, Quartz : SiO2 | |
|
Graves Mountain, Lincoln Co., Georgia, USA Look at the gorgeous play of colors in this Georgia classic! The goethite is beautifully cradled in hematite around the base. An unusually aesthetic mini for a Georgia goethite. 3.1 x 2.8 x 2.5 cm |
| © Rob Lavinsky | Photo ID: 62598 View Count: 214 |
Goethite : α-Fe3+O(OH) | |
|
Graves Mountain Mines, Graves Mountain, Lincoln Co., Georgia, USA Specimen is 13.5 cm at highest point, and at its widest is 7cm. Purchased at the Tucson Gem Show. Photographed with a Kodak EasyShare 1015 IS in natural light with black velvet and no flash. |
| Photo ID: 213820 View Count: 69 | |
Hematite : Fe2O3 | |
|
Graves Mountain Mines, Graves Mountain, Lincoln Co., Georgia, USA View is about 12 mm across. Photograph by Peter Cristofono. |
| © 2005 Peter Cristofono | Photo ID: 31452 View Count: 317 |
Kyanite : Al2[O|SiO4] | |
|
Graves Mountain Mines, Graves Mountain, Lincoln Co., Georgia, USA Specimen is 2.5 cm x 3 cm. Photograph by Peter Cristofono. |
| © 2005 Peter Cristofono | Photo ID: 31424 View Count: 477 |
Lazulite : (Mg,Fe2+)Al2[OH|PO4]2 | |
|
Graves Mountain Mines, Graves Mountain, Lincoln Co., Georgia, USA Blue dipyramidal twin crystals of lazulite. The crystals are twinned on the { 100} plane forming a classic specimen of lazulite twin. Ex. A. Stevenson collection #404. Overall size of mineral specimen: 13x7x6 mm. Size of individual crystals: 9 mm. |
| © 2001 John H. Betts | Photo ID: 1383 View Count: 1344 |
Lazulite : (Mg,Fe2+)Al2[OH|PO4]2 | |
|
Graves Mountain Mines, Graves Mountain, Lincoln Co., Georgia, USA Blue dipyramidal twin crystals of lazulite. The crystals are twinned on the { 100} plane but with exaggerated development to create a v-shaped appearance. Ex. A. Stevenson collection #404a. Overall size of mineral specimen: 13x8x7 mm. Size of individual crystals: 9 mm. |
| © 2001 John H. Betts | Photo ID: 1384 View Count: 1077 |
Lazulite : (Mg,Fe2+)Al2[OH|PO4]2 | |
|
Graves Mountain Mines, Graves Mountain, Lincoln Co., Georgia, USA Single crystal of blue lazulite with minor matrix at base. The crystal is an elongated octahedral crystals, with sharp, well defined faces. Ex. A. Stevenson collection #403. Overall size of mineral specimen: 20x10x8 mm. Size of individual crystals: 18 mm. |
| © 2002 John H. Betts | Photo ID: 3647 View Count: 395 |
| Page 1 of 5 (1 to 10 of 44 total) | Next Page | |
| Page: 1 2 3 4 5 | ||