Gadolinite -Yttrofluorite ガドリナイト -イットロフルオライト 2.21 ct Trillion. Cut 8.50 x 8.50 x 5.10 mm Colorado,USA. max6919

Description

Gadolinite-(Y) Yttrofluorite Colorado,USA. max6919

Is a quite rare mineral, an Yttrium Berillium Silicate with formula Y₂FeBe₂Si₂O₁₀ and hardness of 6.5-7. When Cerium is present in significant quantity then is called Gadolinite-(Ce)

In this case is associate with Yttrofluorite.Yttrium belong to the rare earth elements and beryllium is also another scarse element,both very important for the industry.

It comes from White Cloud Pegmatite District of Colorado,USA.