Lapis

Lapis is a denim blue colored stone mostly
mined in Afghanistan and Russia. The coloring agent is sulphur
and contains pyrite ( the gold flecks) and calcite (white veining).
Lapis is a porous stone and can absorb
perfume, oils and other liquids.
Care should be taken when wearing this
stone and is sensitive to strong pressure and high temperatures
and has a hardness of 5 - 6.
These lapis items are set in sterling silver.
Lapis is the birthstone for December.