Listing is for one coaster, intuitively chosen.
Quartz is a silicon dioxide crystal with a hexagonal crystal system and a hardness of 7. It is among the most abundant of minerals, and is found on every continent.
Quartz is by far the most versatile and multidimensional stone in the mineral realm. Three of its key properties are energy amplification, programmability and memory. Clear Quartz is also a stone of Light, bringing heightened spiritual awareness to whoever wears, carries or meditates with it.