Avika Heat Processed Faceted Vesuvianite Beads 8 mm

DISCLAIMER: No claims are made on metaphysical properties of this stone. These literature is collected from writings, books, folklore and various sources. The actual product may slightly vary from picture as these are natural stone and no two stones can

VESUVIANITE Chemical Formula Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4 Composition Basic calcium magnesium aluminum silicate. Variable Formula Color Brown, green, yellow. Less commonly pink, purple, orange, maroon, red, and blue. Multicolored shades of green or pink/purple and green are rare. Streak White Hardness 6.5 Crystal System Tetragonal 3D Crystal Atlas (Click for animated model) Crystal Forms and Aggregates In short prismatic crystals with rectangular cross-section, occasionally with a pointed termination and sometimes doubly terminated. Crystals may be short and stubby, and may also be elongated or pyramidal. They are less commonly pseudo-octahedral, or with termination faces that appear dodecahedral. Also columnar, radiating, acicular, grainy, compact, massive, and encrusting. Crystals are sometimes striated. Transparency Transparent to opaque Specific Gravity 3.3 - 3.5 Luster Vitreous (sometimes resinous) Cleavage 3,1 Fracture Conchoidal to uneven Tenacity Brittle In Group Silicates; Sorosilicates Striking Features Crystal habits, localities, and frequent association with Grossular Garnet. Environment Most often in metamorphic rocks especially in metamorphosed limestones, hornfels, skarns, and Serpentines. Less commonly in igneous rocks in pegmatites. Rock Type Igneous, Metamorphic Popularity (1-4) 2 Prevalence (1-3) 2 Demand (1-3) 2