Herkimer-Style Quartz Crystal – Prismatic – Daocheng, Sichuan

Herkimer Diamond Quartz is revered for its exceptional clarity and brilliance. Sourced from Daocheng in the Sichuan Province of China, this stunning quartz variety is a collector's dream, known for its flawless appearance and unique formation. Quartz, with the chemical formula SiO₂, crystallizes in the hexagonal crystal system and has a Mohs hardness of 7, making it durable enough for display and handling. This specimen exhibits a vitreous luster and remarkable transparency, characteristic of the Herkimer Diamond variety, with well-defined, sharply terminated double-terminated crystals that reflect its intricate natural growth patterns.

The Daocheng region is renowned for producing high-quality quartz specimens, with geological conditions that favor the formation of these rare, exceptionally clear crystals. Unlike typical quartz, Herkimer Diamonds are doubly terminated, meaning they possess natural points at both ends, enhancing their aesthetic and mineralogical appeal. This clarity and form contribute to its desirability among collectors seeking exceptional display pieces with both scientific and aesthetic value.

As a collector's gemstone, this specimen stands out due to its combination of crystal clarity, form, and provenance. To preserve its brilliance, it is recommended to handle the specimen with care, avoiding exposure to acids or harsh chemicals, and to clean it gently with a soft brush and mild soap if necessary. This Herkimer Diamond Quartz from Daocheng is a distinctive addition to any collection, embodying the unique geological characteristics of its origin.

Sichuan Province, China — Mt Pingwu region, cassiterite and scheelite.