Unique Gems and Jewellery Designs - Treasurion Online Store

Tourmaline is a crystal boron silicate mineral. There are twenty seven members of the group as recognised by the International Mineralogical Association but only two are normally used as gems.
It belongs to the trigonal system and typically appears as a three-sided prismatic crystals, with either flat or hemimorphic terminations. Prism faces often show striations parallel to the length of the crystal and are usually convex, resulting in a...

Spessartine is a variety of garnet distinguished by its vivid orange fire.
The most desired stones are pure vivid orange and you will sometimes find them described as “fanta” or “mandarine” garnets.Same as with other garnets, there are a lot of stones that contain molecules appropriate to a different garnet species. As a result...

Opals are truly unique and mesmerising gemstones but they are sometimes considered fragile, or are they? How do they compare to other gems? Are there any special opal care requirements that you should be aware of? I will try to answers those questions...

                                                        Opals at the Munich Show
In Europe, Germany is viewed as a strong market for opals. It also has a long tradition of being a lapidary centre for the continental Europe. No wonder then, that the Munich Show attracts a great variety of opal vendors from around the world. This year...