Fluorite (LARGE bi-color "Spinel-twin") thumbnail rare bi-color crystals of Beryl

rare bi-color crystals of Beryl from Pakistan that were tabular with a pink core and a blue ring surrounding it

the term "Alexandrite Type" effect is often used to describe the color change

nice green color

Item # AMETBOL1143

A worthwhile smaller specimen of this classic material

Fluorite (LARGE bi-color "Spinel-twin") thumbnail rare bi-color crystals of BerylThe Fluorite twins from this locality are distinctive and are unique in the world, for the sharpness, gemminess and noteworthy size. Most of the twins I've seen from this area are green in color, but pink examples have been found as well. Here, we have an incredibly large "Spinel twinned" BI COLOR Fluorite specimen that is not only impressive for its size, but its remarkable gemminess. When you backlight the piece, you can see large WATER CLEAR