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 :)

Reduced price
25%

Reduced price
-25%

Ruby on Calcite – Mogok, Myanmar (Burma) - Thumbnail No. 159

€300.00

€225.00Save 25%

Tax included

A gem-quality ruby crystal of intense pink, exhibiting beautiful transparency and remarkable luster, set on white crystalline calcite. The natural contrast between the two minerals enhances the overall aesthetic appeal.
The ruby reacts very strongly to long-wavelength UV light (visible in the second photo).

2.5 x 2.1 x 1.4 cm

Highlights of this specimen:

- The quality of the ruby (crystallization, transparency, luster).
- The contrast between the ruby’s pink color and the calcite’s whiteness
- A small collector’s specimen combining aesthetic appeal and quality
- The reaction to long-wavelength UV light