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Manganite - United States - 210505423

  • Manganite
Contractual photos showing the object you will receive when ordering. The photos were taken in order to obtain the most faithful possible rendering of the object.
390
grams
80
mm

SOLD
Country United States
Reference
210505423

Size mm
80x60x40
Category
Raw rocks

Country
United States
Mineral
Manganite

Collection
217 - April 2021
Translate to :

Manganese is a mineral species composed of hydroxylated manganese oxide with the formula MnO (OH). It is the most common of these manganese hydroxides. The mineral contains 89.7% manganese sesquioxide. It dissolves in hydrochloric acid with release of chlorine. Formed at low temperatures in hydrothermal manganese deposits or hot springs.

Characteristics :

Density 4.30
Hardness 4.00
Group Hydroxyde (Oxyde)
Formula Mn3+O(OH)
Cleavage {010} parfait
Break Irrégulière
Chemical composition :

Mn Manganese Transition metal 62.47%
O Oxygen Other no metal 36.38%
H Hydrogen Other no metal 1.14%
100.01%

Shipping time
Your orders are usually shipped the day of the order and at the latest after 3 working days.

Delivery delay
Once the package is supported by the postal service, delivery times are those announced by the Post (letter followed or Colissimo followed). Parcel shipping from France.

Returns and Refund
Our refund and return policy lasts 14 days. You can read the details on the "return and delivery" page.

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