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Staurotid of Brittany on ganges - France - 210605554

13
cm
380
gr
35
euros
Country France
Reference
210605554

Size mm
130x110x30
Category
Crystals on gangue

Country
France
Mineral
Staurolite

Collection
217 - April 2021
Translate to :

Characteristics :

Density 3.65
Hardness 7.00 à 7.50
Group Nésosilicate (Silicate)
Formula Fe2+2Al9Si4O23(OH)
Cleavage {010} distinct
Break Irrégulière, Conchoïdale, Esquilleuse
Chemical composition :

O Oxygen Other no metal 47.29%
Al Aluminum Poor metal 28.9%
Si Silicon Metalloids 13.48%
Fe Iron Transition metal 9.63%
Mg Magnesium Alkaline earth metal 0.3%
H Hydrogen Other no metal 0.28%
Li Lithium Alkali metal 0.09%
100%
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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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