Tourmaline crystal
Weight 52 gr
Tourmaline crystal fixed on a transparent acrylic support.
| CHARACTERISTICS | |
| Weight | 52 gr |
| Size | 35x30x20 mm |
| Reference | 240813644 |
| Mineral | group of minerals Tourmaline |
| Category | Crystals and geodes |
| Group | Free crystals |
| Country |
 Madagascar
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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% | |||
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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.
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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.
Payment methods
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Virement
Paypal
Visa
Mastercard
Amex
Chèque
Virement
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