Turkish Dendritic Opal Rough Specimen, Central Anatolia, Turkey Sumatran amber Two main double terminated purple

Two main double terminated purple and white bi-color apatite crystals with multiple smaller crystals on a matrix of microcline feldspar with a secondary mineral on the surface

Size: 115 x 65 x 65 mm

It is cut and ground into the traditional Jalgaon display form—flat-bottom and self-standing—so the pocket is presented face-forward

pyrite and rhodochrosite

Turkish Dendritic Opal Rough Specimen, Central Anatolia, Turkey Sumatran amber Two main double terminated purpleThis is a beautiful Turkish opal consisting of a combination of dendritic, white, and beige color hyalite opal. This piece is from nn District, Eskiehir Province, Central Anatolia Region, Turkey. The piece is UV reactive and fluoresces shades of white and light colors with long wave UV light source (365 nm) and a beautiful green with 254nm short wave UV. Weight is 98 grams, and the size is 75 x 40 x 35 mm. This material is sometimes referred to as