Lapis lazuli frae Afghanistan in its naitural state
|mixtur o minerals wi lazurite as the main constituent.
|None, as lapis is a rock. Lazurite, the main constituent, frequently occurs as dodecahedra
|Medium Blue, mottled wi white calcite an brassy pyrite
|Mohs scale haurdness
|The variations in composeetion cause a wide variation in the abuin values.