Turkish Dendritic Opal Rough Specimen, Central Anatolia, Turkey stilbite The astrophyllite appears white until

The astrophyllite appears white until you backlight the crystal

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Size: 44 x 40 x 18 mm

Size: 60 x 55 x 47 mm

Turkish Dendritic Opal Rough Specimen, Central Anatolia, Turkey stilbite The astrophyllite appears white untilThis is a beautiful Turkish opal consisting of a combination of dendritic, white, and honey 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 90 grams, and the size is 63 x 56 x 35 mm. This material is sometimes referred to as