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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-04)

Chesapeake Bay, Calvert County, Maryland, USA
70mm x 10mm x 10mm
minID: VYW-R0V
$400
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 25th Jan 2025 - specimen may no longer be available

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See Also

Manganese Biominerals (Todorokite, Romanechite, Birnessite)
Chesapeake Bay, Calvert County, Maryland, USA
$350
60mm x 40mm x 20mm
Manganese Biominerals (Todorokite, Romanechite, Birnessite) Ps. After Arthropod Burrows
Chesapeake Bay, Calvert County, Maryland, USA
$750
60mm x 60mm x 30mm
Manganese Biominerals (Todorokite, Romanechite, Birnessite)
Chesapeake Bay, Calvert County, Maryland, USA
$900
50mm x 40mm x 40mm
Manganese Biominerals (Todorokite, Romanechite, Birnessite)
Chesapeake Bay, Calvert County, Maryland, USA
$1250
110mm x 30mm x 30mm
Copper (twinned)
1740 Bench, Pearl Handle Pit, Ray Mine, Pinal County, Arizona , USA
$400
30mm x 10mm x 10mm
Fluorite
Blanchard Mine, Hansonburg District, Socorro County, New Mexico, USA
$400
142mm x 95mm x 58mm
Hematite
Iron Hill District, Doña Ana County, New Mexico, USA
$400
124mm x 122mm x 49mm
Calcite
Garfield County, Utah, USA
$400
81mm x 69mm x 62mm
Fluorite
Surprise Mine, Cookes Peak District, Luna County, New Mexico, USA
$400
119mm x 72mm x 62mm
Calcite on Fluorite
Annabel Lee Mine, Hardin County, Illinois, USA
$400
Dioptase with Quartz
Ray Mine, Ray District, near Kearney, Dripping Springs Mts., Pinal County, Arizona, USA
$400
39mm x 34mm x 28mm
Dioptase with Malachite
Ray Mine, Ray District, near Kearney, Dripping Springs Mts., Pinal County, Arizona, USA
$400
55mm x 37mm x 27mm
Azurite
Morenci Pit, Clifton-Morenci District, Greenlee County, Arizona, USA
$385
45mm x 35mm x 28mm
Tunellite
Kramer open pit, Kramer District, Boron, Kern County, California, USA
$385
47mm x 42mm x 24mm
Orpiment
Twin Creeks Mine, Humboldt County, Nevada, USA
$380
53mm x 44mm x 35mm
* price is an approximate conversion and may not be accurate.

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