15

Tourmaline crystal

Weight 40 gr
Tourmaline crystal fixed on a transparent acrylic support.
CHARACTERISTICS
Weight 40 gr
Size 35x20x20 mm
Reference 240813653
Mineral group of minerals Tourmaline
Category Crystals and geodes
Group Free crystals
Country Country Madagascar Madagascar
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.
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Formula NaFe2+3 Al6 ((OH)4 (BO3)3 Si6O18)] TOURMALINE
O Oxygen Other no metal 40%
Si Silicon Metalloids 32%
B Boron Metalloids 10%
Al Aluminum Poor metal 7%
Fe Iron Transition metal 6%
Na Sodium Alkali metal 1%
Mg Magnesium Alkaline earth metal 1%
Li Lithium Alkali metal 1%
K Potassium Alkali metal 1%
H Hydrogen Other no metal 1%
100%
Tourmaline is a group of silicate minerals, distinguished by its complex crystal structure and formation in a variety of geological environments. Their wide range of colors, from black to pink to green and blue, is due to the presence of trace elements in their composition.

Shipping time
Your orders are usually shipped the day of the order and at the latest after 2 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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