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Manganese Oxides On Limestone

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Manganese Oxides On Limestone

Klaus Krause Collection
Classic Locality

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Description
Locality: 
Solnhofen, Weißenburg-Gunzenhausen District, Middle Franconia, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Museum (18cm plus)
Size: 
11.8 × 19.6 × 0.7 cm
Weight: 
277.00gr
Description

Sample of black manganes-oxides and brown limonite-dendrites on Limeston.

Like a painting, just beautiful!

Boxed with Label
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

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

My Terms and Conditions KrauklMinerals Mineralnet Klaus Krause [email protected][p] 1.All transactions must be in Euros - please. You can either send a personal cheque (if you live in the United States, UK or Europe), a money order or you may send cash by registered mail. You may also use PayPal. [p]The mailing address for KrauklMinerals is: Mineralien im Internet Klaus Krause Kolbstr.26 45889 Gelsenkirchen Germany 2.For all customers: Once we receive your payment we'll package up the specimen(s) and send them within 2days. 3.Remember if there is anything you do not understand, want to ask or would like slightly different – please ask. Thank you!

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