Dioptase crystals
Weight 390 gr
| CHARACTERISTICS | |
| Weight | 390 gr |
| Size | 110x65x65 mm |
| Reference | 231011358 |
| Mineral | mineral Dioptase |
| Category | Crystals and geodes |
| Group | Crystals on ganges |
| Country |
 Chile
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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 Cu6Si6O18·6H2O] DIOPTASE | |||
| O | Oxygen | Other no metal | 40.6% |
| Cu | Copper | Transition metal | 40.31% |
| Si | Silicon | Metalloids | 17.82% |
| H | Hydrogen | Other no metal | 1.28% |
| 100.01% | |||
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Dioptase is a mineral from the silicate family, more precisely a copper cyclosilicate. It generally appears in the form of hexagonal crystals of emerald green to bluish green color, often shiny. Its hardness on the Mohs scale is 5, which makes it relatively soft. Dioptase is usually found in arid areas, in association with other copper minerals in secondary deposits. The main deposits are located in Kazakhstan, Namibia and the Republic of Congo. Due to its beautiful green color, dioptase is sometimes used in jewelry, although its low hardness limits its use to jewelry that will not be subject to excessive wear.
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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.
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Amex
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Virement
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