Chrysocolla in Cuprite / Shattuckite
Chrysocolla var. Cuprite / Shattuckite · Semi-Precious Gemstone / Collector Mineral
Crystal System
Orthorhombic / Monoclinic, massive to botryoidal habit
Mineral Group
Silicates, specifically phyllosilicates / Oxides
Chemical Formula
(Cu,Al)2H2Si2O5(OH)4·nH2O with Cu2O
Formation Process
Supergene alteration and oxidation zones of copper ore bodies
About This Crystal
A polished triangular cabochon showcasing a vibrant matrix of deep teal blues, vibrant cyans, and rich reddish-brown or burgundy inclusions, with a vitreous to waxy luster.
Physical Characteristics
Colors range from turquoise blue to deep green and brownish-red; streak is pale blue to light green; hardness is variable due to mixed minerals (typically 2 to 4); specific gravity is approximately 2.0 to 2.4
Optical Properties
Biaxial, anisotropic with varying refractive indices depending on the dominant copper mineral present
Hardness & Durability
Origin Region
Democratic Republic of Congo, Arizona (USA), Chile, Peru
Hardness & Durability
Mohs hardness varies from 2 to 4; relatively soft and fragile, requiring protective settings for jewelry use
Care & Maintenance
Clean with mild soap and warm water; avoid harsh chemicals, ultrasonic cleaners, and prolonged exposure to direct sunlight or sudden temperature changes
Rarity & Value
Uncommon to rare depending on the specific combination of copper secondary minerals; highly valued by collectors and lapidary enthusiasts
Special Characteristics
Striking multicolored matrix combining bright copper blues and greens with deep red cuprite patches
Lore & History
Often associated with tranquility, communication, and emotional healing in modern crystal lore, though these are traditional beliefs rather than scientific claims