Marvelous specimen of Dioptase crystals aesthetically impaled on Shattuckite crust. A secondary Copper silicate Shattuckite form delicate curved base with blue color and velvet appearance. Above are grown lustrous Dioptases with dark and rich emerald-green color and very sharp crystals. Dioptases has high quality and are gemmy. For references see the issue of The Mineralogical Record vol. 44, # 5. In superb condition. On acrylic base.

Delicate Shattuckite-Dioptase beauty!