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Bokite : (Al,Fe3+)1.3[(V5+,V4+,Fe3+)4O10]2 · 7.5H2O | |
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Monument No. 2 Mine, Monument No. 2 channel, Monument Valley, Navajo Indian Reservation, Apache Co., Arizona, USA Crudely formed crystals, to 0.1 cm, in divergent aggregates. S052-14 #1241# |
| © 2008, JGW | Photo ID: 150168 View Count: 136 |
Brochantite : Cu4[(OH)6|SO4], Aurichalcite : (Zn,Cu)5[(OH)3|CO3]2 | |
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Zona I Mine, Apache Co., Arizona, USA picture is takend in 2006 on a stoneheap. the picture size is 50x70cm |
| © Kristian.G.Nordstad | Photo ID: 140862 View Count: 186 |
Chalcedony (Var: Petrified Wood) | |
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Chinle area, Chinle District, Carrizo Mts (Carrizo Range), Apache Co., Arizona, USA 419 x 355 mm. Opalized top, weighs 55 pounds. www.freilichminerals.com |
| © Joseph A. Freilich, LLC | Photo ID: 131262 View Count: 264 |
Corvusite : V7O20·nH2O, Metahewettite : Ca[V2O6|V4O10] · 3H2O, Fernandinite : (Ca,K)[(V5+,V4+,Fe2+)4O10]2 · 4H2O | |
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Monument No. 2 Mine, Monument No. 2 channel, Monument Valley, Navajo Indian Reservation, Apache Co., Arizona, USA Black sub-metallic corvusite, with probably red-brown metahewettite and olive-green colored fernandinite coatings. S411-227 #1272# 4 cm field of view. |
| © 2009, JGW | Photo ID: 250471 View Count: 24 |
Groutite : Mn3+O(OH) | |
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Black Water Mine, Black Mesa Basin, Apache Co., Arizona, USA Picture width 6 mm. Collection and photograph Christian Rewitzer Mindat.org Photo of the Day - 5th Nov 2007 |
| © Christian Rewitzer | Photo ID: 114104 View Count: 688 |
Groutite : Mn3+O(OH) | |
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Apache Co., Arizona, USA Crystal size is about 3mm. Photographer and collection O. Dziallas |
| © O. Dziallas | Photo ID: 33855 View Count: 392 |
Groutite : Mn3+O(OH) | |
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Black Water Mine, Black Mesa Basin, Apache Co., Arizona, USA Superb elongated crystals of groutite, to 6 or 7 mm, tucked safely into crags of quartz-replaced petrified wood! I have seen just 3 specimens of this material before, and in every case it sold immediately - this is rare, hard to obtain material. Courtesy of Carol Frey: This specimen is from a remarkable and so far unique find in 1975. A miner ... |
| © Rob Lavinsky | Photo ID: 21344 View Count: 296 |
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Black Water Mine, Black Mesa Basin, Apache Co., Arizona, USA 18mm x 31mm x 6 mm. www.freilichminerals.com |
| © Joseph A. Freilich, LLC | Photo ID: 139045 View Count: 114 |
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Black Water Mine, Black Mesa Basin, Apache Co., Arizona, USA 12.3 x 3.6 x 2.9 cm. Superb, lustrous needles of groutite, to 4 mm, RICHLY cover both sides of CABINET-SIZED quartz-replaced petrified wood! This specimen is from a remarkable and so far unique find in 1975. A miner who’d worked in the area for years brought in a small lot of a dozen specimens to a rock shop owned by Lolette Dalbeck in ... |
| © Rob Lavinsky | Photo ID: 122969 View Count: 106 |
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Apache Co., Arizona, USA FOV 1.4 x 2.1 mm. Modris B. coll. The xls look black (as here) or have a satiny sheen (child photo) depending on illumination. The label says "Petrified Forest" but groutite is not listed for that. |
| Photo ID: 195087 View Count: 35 | |
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