- Dioptase, Wulfenite
- Miniature, 4.5 x 3.5 x 1.3 cm
- Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA
This piece hosts a few patches of vibrant emerald green, acicular Dioptase crystals associated with minor pale orange bladed Wulfenite crystals on matrix. Ex. Richard Kosnar Collection.