Ocean Jasper
Quartz var. Chalcedony · Decorative Stone and Mineral Specimen
Crystal System
Trigonal, microcrystalline aggregate forming massive habits
Mineral Group
Silicates - Tectosilicates
Chemical Formula
SiO2
Formation Process
Hydrothermal deposition in volcanic cavities and rhyolitic lava flows
About This Crystal
An opaque, polished multi-faceted tower featuring intricate circular orbicular patterns, dendritic inclusions, and patches of druzy quartz cavities in shades of forest green, blue-gray, cream, and dark brown
Physical Characteristics
Dark green and blue body colors with white/gray quartz matrix, white streak, conchoidal fracture, absence of cleavage, specific gravity of approximately 2.58-2.62, vitreous to waxy luster
Optical Properties
Singly and doubly refractive aggregate with micro-crystalline structure, displaying no significant pleochroism or dispersion
Hardness & Durability
Origin Region
Madagascar, specifically remote coastal areas accessible only at low tide
Hardness & Durability
Mohs hardness of 6.5 to 7, good toughness, resilient to everyday wear and stable against normal light and chemical exposure
Care & Maintenance
Clean with warm soapy water and a soft cloth, avoid harsh chemical cleaners, prolonged harsh direct sunlight exposure is generally safe but unnecessary
Rarity & Value
Uncommon to Rare depending on the specific vein and pattern complexity, highly valued by collectors with prices varying based on pattern uniqueness and presence of druzy pockets
Special Characteristics
Features distinctive orbicular spots, dendritic branching patterns, and open vugs lined with micro-crystalline druzy quartz crystals
Lore & History
Modern discovery in the late 20th century, widely used in crystal healing practices to promote relaxation, emotional healing, and connection with water and nature elements