Rough Quartz, Quartz Points - 1 LB, Size Small/Medium Rough Rocks - Small Size (rock tumbler size) and stress relief

and stress relief

This happens because when light enters the stone

1/2" - 2" inches in size

Rock/Mineral Info: Botryoidal Hematite is a type of iron ore

Rough Quartz, Quartz Points - 1 LB, Size Small/Medium Rough Rocks - Small Size (rock tumbler size) and stress reliefDescription: Each piece is approximately 1" 4" in size. High quality quartz points. Rock Mineral Info: Quartz is the second most common silicate mineral on Earth (behind feldspar), composing about 20% of the Earth's crust. It forms when mineral rich solutions flow through underground fissures and deposit silicon into the rock. Billions of silicon and oxygen atoms bond together as tetrahedrons (three sided pyramids), stacking and building quartz