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Manganese Biominerals (Todorokite, Romanechite, Birnessite)
Manganese Biominerals (Todorokite, Romanechite, Birnessite)
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Manganese Biominerals (Todorokite, Romanechite, Birnessite) (Ref: CHESA-18)

Chesapeake Bay, Calvert County, Maryland, USA
60mm x 40mm x 20mm
minID: AP1-2LA
$350
This is a Manganese Biominerals (Todorokite, Romanechite, Birnessite) from Chesapeake Bay, Calvert County, Maryland, USA. Chesapeake biominerals, including Hollandite, Todorokite, Romanechite, Birnessite, and other unusual manganese and iron species, form when metal-rich subsurface waters emerge from the face of the cliffs along the western shore of Chesapeake Bay.
Data last checked on 16th Oct 2024 - specimen may no longer be available

From: The Arkenstone
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See Also

Manganese Biominerals (Todorokite, Romanechite, Birnessite)
Chesapeake Bay, Calvert County, Maryland, USA
$400
70mm x 10mm x 10mm
From: The Arkenstone
Manganese Biominerals (Todorokite, Romanechite, Birnessite) Ps. After Arthropod Burrows
Chesapeake Bay, Calvert County, Maryland, USA
$750
60mm x 60mm x 30mm
From: The Arkenstone
Manganese Biominerals (Todorokite, Romanechite, Birnessite)
Chesapeake Bay, Calvert County, Maryland, USA
$900
50mm x 40mm x 40mm
From: The Arkenstone
Manganese Biominerals (Todorokite, Romanechite, Birnessite)
Chesapeake Bay, Calvert County, Maryland, USA
$1250
110mm x 30mm x 30mm
From: The Arkenstone
Copper
Ojibway Mine, Keweenaw County, Michigan, USA
$350
50mm x 50mm x 20mm
From: The Arkenstone
Quartz var. Smoky and Amethyst
Lincoln County, New Mexico, USA
$350
67mm x 20mm x 28mm
From: Enchanted Minerals
Quartz var. Smoky
Lincoln County, New Mexico, USA
$350
96mm x 29mm x 23mm
From: Enchanted Minerals
Quartz var. Smoky
Lincoln County, New Mexico, USA
$350
79mm x 59mm x 56mm
From: Enchanted Minerals
Quartz var. Smoky
Lincoln County, New Mexico, USA
$350
66mm x 54mm x 39mm
From: Enchanted Minerals
Calcite
Garfield County, Utah, USA
$350
94mm x 76mm x 64mm
From: Enchanted Minerals
Dioptase
Ray Mine, Ray District, near Kearney, Dripping Springs Mts., Pinal County, Arizona, USA
$350
95mm x 56mm x 32mm
From: Bob Griffis Minerals
Dioptase with Malachite
Ray Mine, Ray District, near Kearney, Dripping Springs Mts., Pinal County, Arizona, USA
$350
55mm x 37mm x 27mm
From: Bob Griffis Minerals
ILvaite
Laxey Mine | South Mountain Mining District | Owyhee County | Idaho | USA
$374 *
46mm x 37mm x 26mm
From: Wendel Minerals
Levyne, Offretite
Beech Creek, Grant County, Oregon, USA
$350
80mm x 55mm x 40mm
From: Marin Minerals
Fluorite with Cerussite, Calcite and Wulfenite
Hull Mine, Castle Dome District, Yuma County, Arizona, USA
$365
77mm x 65mm x 68mm
From: Bob Griffis Minerals
* price is an approximate conversion and may not be accurate.

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