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Manganese Oxides

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SPZ610473

Manganese Oxides

Classic Locality

Description Tabs

Description
Locality: 
Solnhofen, Weißenburg-Gunzenhausen District, Middle Franconia, Bavaria, Germany
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
2 × 17.6 × 10.8 cm
Weight: 
600.00gr
Description

black dentritic aggregate from classic locality

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

Response time: seller will respond within 24 hrs to questions and purchase requests, by e-Rocks contact and invoice system. Contact me directly on [email protected].

Payments: all transaction must be currency requested in the invoice. Prefered paynents via PayPal, might be also offline via interbank electronic transfer (IBAN-BIC).

Buyer protection: transaction Buyers-Sellers on e-Rocks using Paypal assurance, terms and condition. Contact me if you have a question.

Shipping: costs quoted on individual items and shipping policy section on the item page. All shipping costs subject to prevailing local postage rates, which might change.

- Sellers reserve the right to change these rates should underlying costs change.

- Shipping costs will economise if 2 or more specimens are purchased together.

- Once the sellers receives your payment, the specimens will be packed and sent in reasonable time (2 - 3 day)

Returns: if you receive anything you do not like have 10 day approval and right to return. Please notify immediatly and sand it back if it arrives damaged or if you are not otherwise happy with what you have been sent. Once it has received in the condition it was sent the seller will arrange a refund. My success is only tu supply mineral with 100 % customer satisfaction.

Remember: contact me on [email protected] for any questions.