New Jade
Serpentine var. Antigorite · Decorative Stone and Semi-Precious Gemstone
Crystal System
Monoclinic; typically found in massive, compact, or fibrous aggregates
Mineral Group
Silicates, specifically the Serpentine subgroup
Chemical Formula
Mg3Si2O5(OH)4
Formation Process
Metamorphic, formed via serpentinization, which is the hydrothermal alteration of ultramafic rocks like peridotite or dunite by water at low to moderate temperatures and pressures
About This Crystal
A tumbled, smooth specimen displaying a deep bluish-green to teal color with characteristic darker inclusions and mottled patterns. It has a waxy to greasy luster and ranges from translucent to opaque
Physical Characteristics
Color ranges from light green to dark bluish-green, sometimes yellowish or brownish; white streak; no true cleavage (exhibits uneven or splintery fracture); specific gravity is approximately 2.5 to 2.6; tenacity is somewhat brittle; usually non-fluorescent
Optical Properties
Biaxial with negative sign; refractive index ranges from 1.560 to 1.571; birefringence is weak; low dispersion; displays a soft, waxy sheen rather than pronounced optical phenomena
Hardness & Durability
Origin Region
Found worldwide, with notable deposits in China, USA, South Africa, Russia, and New Zealand; typically forms in altered ultramafic rocks
Hardness & Durability
Mohs hardness of 2.5 to 5.5 depending on the specific serpentine mineral present (Antigorite tends to be on the higher end, around 3.5 to 4); toughness is fair to good due to its microcrystalline interlocking structure, but it is relatively soft and easily scratched
Care & Maintenance
Clean with warm soapy water and a soft cloth; avoid ultrasonic cleaners, harsh chemicals, and prolonged exposure to direct sunlight; store separately from harder gemstones to prevent scratching
Rarity & Value
Common and widely available; very affordable, typically sold as inexpensive tumbled stones, beads, or decorative carvings; treatments are rare since the material is abundant
Special Characteristics
Often mimics true jade (nephrite or jadeite) in appearance, featuring a smooth, waxy polish and mottled internal clouds, making it a popular and accessible alternative for carvings and jewelry
Lore & History
Historically used as a substitute for true jade in various cultures for carvings and talismans; in modern crystal healing, it is associated with the heart chakra, emotional healing, and attracting abundance, though these are traditional beliefs rather than scientific claims