Gypsum Crystal Specimen from Mexico – 59.22 grams Spinel A limb cast opal is

A limb cast opal is an opal that has filled the cavity of an old tree limb or root that eroded away leaving an empty pocket for the opal to form in

no matter what levels that are being emitted

Weight: 115

We believe that this piece has been enhanced by heating

The base retains minor matrix remnants

Gypsum Crystal Specimen from Mexico – 59.22 grams Spinel A limb cast opal isA well formed gypsum crystal specimen displaying a classic bladed growth structure with soft translucency and subtle warm tones. The crystal shows strong vertical striations and a natural satin like luster typical of gypsum, giving it a refined and elegant appearance. This piece is partially embedded in a contrasting earthy matrix, adding visual interest and highlighting the natural formation of the crystal. The combination of clean crystal faces and