It ranges from pale tea-brown to near-black

Turquoise is copper aluminum phosphate

Selenite takes its name from Selene

Mohs hardness 7—appropriate for daily ring wear with normal care

Blue Lace Agate is banded chalcedony—microcrystalline quartz colored pale blue by iron and manganese trace elements

The Throat Chakra Set Self-Esteem It ranges from pale tea-brownFour stones, each a different mineral species, each blue or blue green for different reasons entirely. Blue Lace Agate is banded chalcedonymicrocrystalline quartz colored pale blue by iron and manganese trace elements, its lace patterning the result of layer by layer deposition in volcanic cavities. Amazonite is a blue green microcline feldspar whose color traces to lead and structural water in the crystal lattice. Turquoise is a copper aluminum