SPECIAL OFFER From Saturday 20 June to Tuesday 30 June, 20% off a wide selection of minerals in the ‘Discounted products’ section 🤩

PROMO CODE -10% : "PATIENCE" We will be away from home from June 19th to July 3rd included. Meet us at the swimming-pool, booth ZM-PI-15 :) ⚠️ Any orders placed on the site during this period will be processed when we will be back. 🙏 We are therefore offering you a 10% discount on ALL THE WEBSITE (including promotional products), with the code 👉 PATIENCE 👈 to be entered when finalising your order :)

PROMO FLASH : -15% OFF ON THE WHOLE SITE 24-hour FLASH SALE: 15% off EVERYTHING ON THE SITE, no code needed, the discount is automatic! 👉 Promotion valid from January 3, 2026, at 8:00 p.m. (French time) to Monday, January 5, 2026, at 10:00 p.m. (French time). ⚠️ It is not possible to earn loyalty points during this promotion period.

LAST DAYS TO ORDER Join us at the Sainte-Marie-aux-Mines mineral & gem show, booth ZM-PI-15 from June 24 to 28! Orders placed up to and including June 15 can be shipped before we leave 👍 The website will, of course, remain open while we are away; orders will be processed upon our return in early July.

FLASH PROMO off the entire site*

* Excluding new products and already discounted products

Valid from Tuesday 07/10/2025 - 08 am (French time) to Sunday 12/10/2025 - 11h59 pm (French time), for immediate orders (no reservations).
Cannot be combined with the loyalty program.

Hurry, only :

Day

Hours

Minutes

left until the end of the promotion :)

FLASH PROMO off the entire site*

* Excluding materials and hewels categories

Valid from saturday 10th october 2025 - 09 am (French time) to Sunday 11the october 2025 - 11h59 pm (French time), for immediate orders (no reservations).
Cannot be combined with the loyalty program.

Hurry, only :

Day

Hours

Minutes

left until the end of the promotion :)

Calcite - Ojuela Mine, Mapimí, Durango, Mexico

€35.00

Tax included

Specimen composed of numerous well-defined calcite crystals, colorless to translucent, with hexagonal shapes. The crystals are well-developed and distributed over a limonite matrix, which is itself covered in places by an unidentified silvery mineral.

6.4 x 4.2 x 3.3 cm

Highlights of this specimen:

- Numerous well-separated calcite crystals
- Clearly visible hexagonal shapes

For your information:

- The Ojuela mine, located in Mapimí in the state of Durango, is one of Mexico’s major classic mineralogical localities. This vast polymetallic deposit is known for the great diversity of its mineralizations.