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ADR1121409

Manganese Oxides Var Manganese Dendrites

Description Tabs

Description

Locality:

Cala Mines, Cala, Huelva, Andalusia, Spain

Class:

Crystals on Matrix

Size Range:

Small cabinet (7-10 cm)

Size:

7.8 × 7.3 × 1.1 cm

Weight:

101.00gr

Description

Beautiful black manganese dendrites (manganese oxides) on a creamy rock matrix. The dendrites resemble beautiful sea coral on a plate-like matrix.

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

Buserite

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

Manganese Dendrites

Variety Of:

Manganese Oxides

Hardness:

0.0

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Current price

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Starting price

€7

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Start	07 Dec 18:00
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Shipping Information

Postage Area	Price
Spain	€8
Europe	€12
Worldwide	€16

Seller Information

Adrael Fine Minerals

Payment options: offline, paypal_wpp, paypal_wps

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Thank you for visiting our shop.

- Pieces will be sent 48/72 hours after the payment is received.

- All of our shipments, will be done by secured mail & Track Number.

- Shipping fees does not include insurances, import duties, taxes or charges. Check with your country´s custom border. In case you want to ensure you order contact with us.

- Every mineral will be nicely packed and labelled.

- Multiple purchases will have discount on shippings if it is possible due to the weight of the pieces.

- Colour may vary due to the camera sensor.

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Manganese Oxides Var Manganese Dendrites

Description Tabs

Akhtenskite

Asbolane

Birnessite

Buserite

Coronadite

Cryptomelane

Feitknechtite

Groutite

Hausmannite

Hollandite

Manganite

Psilomelane

Pyrochroite

Pyrolusite

Ramsdellite

Ranciéite

Romanèchite

Todorokite

Wad

Manganese Oxides

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Seller Information

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