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Manganese Oxides

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BOC644767

Manganese Oxides

José Luis Otero's collection

Description Tabs

Description
Locality: 
Lantueno Tunnel, Santiurde de Reinosa, Cantabria, Spain
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 3 × 3 cm
Description

Manganese / iron oxides nodule from Lantuerno tunnel, Cantabria, Spain.

José Luis Otero’s collection (serial number 1065).

General: Very good.

Mineral Data
What's on the rock

Manganese Oxides

Synonym Of: 

Akhtenskite

Formula: 
ε-Mn4+O2
Strunz: 
4.DB.15b
Hardness: 
0.0

Asbolane

Formula: 
(Ni,Co)2-xMn4+(O,OH)4·nH2O
Strunz: 
4.FL.30
Hardness: 
0.0

Birnessite

Formula: 
(Na,Ca)0.5(Mn4+,Mn3+)2O4·1.5H2O
Strunz: 
4.FL.45
Hardness: 
1.5

Coronadite

Formula: 
Pb(Mn4+6Mn3+2)O16
Strunz: 
4.DK.05a
Hardness: 
4.5 - 5.0

Cryptomelane

Formula: 
K(Mn4+7Mn3+)O16
Strunz: 
4.DK.05a
Hardness: 
5.0 - 6.5

Feitknechtite

Formula: 
Mn3+O(OH)
Strunz: 
4.FE.25
Hardness: 
0.0

Groutite

Formula: 
Mn3+O(OH)
Strunz: 
4.FD.10
Hardness: 
3.5 - 4.0

Hausmannite

Formula: 
Mn2+Mn3+2O4
Strunz: 
4.BB.10
Hardness: 
5.5

Hollandite

Formula: 
Ba(Mn4+6Mn3+2)O16
Strunz: 
4.DK.05a
Hardness: 
4.0 - 6.0

Manganite

Formula: 
Mn3+O(OH)
Strunz: 
4.FD.15
Hardness: 
4.0

Psilomelane

Pyrochroite

Formula: 
Mn(OH)2
Strunz: 
4.FE.05
Hardness: 
2.5 - 3.0

Pyrolusite

Formula: 
MnO2
Strunz: 
4.DB.05
Hardness: 
2.0 - 6.5

Ramsdellite

Formula: 
Mn4+O2
Strunz: 
4.DB.15a
Hardness: 
3.0

Ranciéite

Formula: 
(Ca,Mn)Mn4O9·3H2O
Strunz: 
4.FL.40
Hardness: 
2.5 - 3.0

Romanèchite

Formula: 
(Ba,H2O)2Mn5O10
Strunz: 
4.DK.10
Hardness: 
5.0 - 6.0

Todorokite

Formula: 
(Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O
Strunz: 
4.DK.10
Hardness: 
1.5

Wad

Hardness: 
1 - 6.5

Seller Information

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