Multi-Colour Agate Tumbled Stones - Medium 20 - 30 mm - 1 LB - Madagascar Wind Chimes quartz is the most stable

quartz is the most stable form of silicon dioxide

30 Minutes Sticks Size: 4

with hard liner (compatible with 30x40 cello bag)

white and ebony blend harmoniously

Multi-Colour Agate Tumbled Stones - Medium 20 - 30 mm - 1 LB - Madagascar Wind Chimes quartz is the most stablePhysical properties of Agate: Stone Type Family: Silicates Category: Quartz variety Crystal System: Trigonal Chemical formula: Silica, SiO2 Color: White to grey, light blue, orange to red, black. A banded variety of Chalcedony found in white, red, pink, gray, blue, green, brown, or any combination of these colors. Crystal habit: Cryptocrystalline silica Crystal system: Rhombohedral Microcrystalline Cleavage: None Fracture: Conchoidal with very sharp