Rainforest Jasper
Microcrystalline Quartz var. Rainforest Jasper (Rhyolite) · Decorative Stone and Semi-Precious Gemstone
Crystal System
Trigonal (Cryptocrystalline microquartz)
Mineral Group
Silicates (Tectosilicate subgroup)
Chemical Formula
SiO2 with various inclusions (quartz, feldspar, amphibole)
Formation Process
Igneous volcanic activity, forming as silica-rich lava cools rapidly in gas cavities and crystallizes into microcrystalline quartz and feldspar mosaics
About This Crystal
Spherical polished beads displaying a distinct orbicular pattern featuring earthy tones of olive green, brown, rust red, cream, and mustard yellow, with a vitreous to waxy polished luster and completely opaque transparency
Physical Characteristics
Opaque transparency, multicolored earthy body color, white streak, conchoidal fracture with no true cleavage, specific gravity of approximately 2.58 to 2.91, brittle tenacity
Optical Properties
Aggregated microcrystalline structure causing aggregate double refraction, refractive index around 1.54 to 1.55, non-pleochroic
Hardness & Durability
Origin Region
Western Australia (specifically the Mount Murchison area), also found in South Africa and the USA
Hardness & Durability
Mohs hardness of 6.5 to 7, good toughness making it durable for daily wear in bracelets and jewelry
Care & Maintenance
Clean with warm soapy water and a soft cloth, avoid harsh chemical cleaners, store away from direct sunlight and harder gemstones to prevent scratching
Rarity & Value
Common to uncommon, widely available in bead and tumbled stone forms, with value determined by the visual appeal of the orbicular patterns and polish quality
Special Characteristics
Distinct orbicular and banded flow patterns created by volcanic cooling processes, giving it a pictorial rainforest-like appearance
Lore & History
Associated with grounding, connection to nature, emotional healing, and the heart chakra in modern crystal healing traditions