Statement of authentic of gemstones

Mineral expo, autentičnost dragog i poludragog kamenja

By this statement, we guarantee that every product and goods in are pages is exclusively of natural origin (unless clearly stated otherwise), and that each description fully fits the above product.

All products and goods were checked at the Gemological Laboratory Mineral expo by a certified gemologist.

For each article day is a description which fully corresponds to the specified product.

All gemstones in web-shop is authentic and there is no synthetic mineral (synthetic mineral-have all the physical and chemical properties as well as natural, but they have artificial origin) or imitation (Imitation- natural or synthetic material that imitated some mineral).

If any mineral have any treatment other than cutting, polishing and grinding it is clearly stated in the description

Mineral expo is trying to be as specific as possible in describing of the product, but cannot guarantee that the dimensions are completely accurate, descriptions of this is labeled as an cca: / circa (ca.: 12x15x6 mm).

Pictures of products can deviate minimally in color from the original.

Mikroskop za Procjenu dragog kamenja

certifikat za smaragd

Gemološke diplome


For all the crystals, minerals, fossils, and gemstones we guarantee that they are 100% natural.
Statement of authentic of gemstones

Our products can be ordered by online store
or through e-mail :
or you can visit us at our shop.

Simple guidelines for ordering

Terms and conditions/return policy/privacy policy



Orders are sent on the next work
day by Croatian Post.

International shipments are charged according to
weight and destination.
Costs for shipments are displayed
after your choice of country.

We deliver our products worldwide.

Charge for shipment in
Croatia is 25.00 Kuna.



Payment by bank accaunt

Payment by PayPal

Cash on delivery possible only in Croatia

In case you want to make a payment by PayPal  you need to change currency in EUR or USD

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Mineral expo
Tratinska 38, 10 000 Zagreb

Open: Mondays to Fridays from 09 to 20 h, Saturdays from 10 to 18 h

Phone: 00385 1 5812-579

Mob: 00385 (0)95/902 2779

MineralExpo | Međunarodni sajmovi dragog i poludragog kamenja