Black Water Mine, Black Mesa Basin, Apache Co., Arizona, USA

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Groutite : Mn³⁺O(OH)
	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)
	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
Groutite : Mn³⁺O(OH)
	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
Groutite : Mn³⁺O(OH)
	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
Groutite : Mn³⁺O(OH), Chalcedony (Var: Petrified Wood)
	Black Water Mine, Black Mesa Basin, Apache Co., Arizona, USA 3.9 x 3.2 x 0.8 cm. Groutite is a rare manganese oxide. Lustrous needles of groutite, to 4 mm, are richly scattered on both sides of the ribbed, 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 specimens to a rock shop owned by ...
© Rob Lavinsky	Photo ID: 226380 View Count: 31
Groutite : Mn³⁺O(OH), Chalcedony (Var: Petrified Wood)
	Black Water Mine, Black Mesa Basin, Apache Co., Arizona, USA 2.9 x 2.3 x 1.1 cm. Groutite is a rare manganese oxide. Lustrous needles of groutite, to 5 mm, are scatttered on both sides and the top of the ribbed, 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 specimens to a rock shop ...
© Rob Lavinsky	Photo ID: 230569 View Count: 31
Groutite : Mn³⁺O(OH), Chalcedony (Var: Petrified Wood)
	Black Water Mine, Black Mesa Basin, Apache Co., Arizona, USA 3.6 x 3.0 x 2.3 cm. Groutite is a rare manganese oxide. Lustrous needles of groutite, to 3 mm, are nicely scatttered on the brick-red, 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 specimens to a rock shop owned by Lolette ...
© Rob Lavinsky	Photo ID: 240660 View Count: 16