45^€

Free Form Polished Anhydrite

Weight 690 gr

CHARACTERISTICS
Weight	690 gr
Size	120x90x35 mm
Reference	250215107
Mineral	mineral Anhydrite
Category	Decoration stones
Group	Free forms
Country	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 CaSO₄] ANHYDRITE
O	Oxygen	Other no metal	47.01%
Ca	Calcium	Alkaline earth metal	29.44%
S	Sulfur	Other no metal	23.55%
			100%
Anhydrite is a mineral belonging to the sulfate class that is distinguished from gypsum by the absence of water molecules in its crystalline structure. Often colorless or white, anhydrite can also have gray, bluish, purplish or pinkish hues depending on the impurities present. Its formation is generally linked to the evaporation of sea water or salt lakes. Anhydrite occurs in various forms. It is found in compact masses, granular, fibrous or even well-developed prismatic crystals. A notable characteristic of anhydrite is its ability to transform into gypsum by absorption of water. This process can result in a significant increase in volume, which can cause problems in construction or mining where these minerals are present. Anhydrite is used in the manufacture of cement, plaster, and sulfuric acid. It is also used as a drying agent and as a filler in the paper and plastics industries. In addition, some varieties of anhydrite, notably angelite, a blue variety, are valued for collecting and for making ornamental objects.

Return and delivery

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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