A dark blue natural sapphire crystal. Uncut and rough.
Keywords
aluminium,
blue,
corundum,
crystal,
decoration,
gem,
gemstone,
hardness,
isolated,
gem,
jewellery,
lapidary,
macro,
material,
mineral,
natural,
oxide,
precious,
raw,
rock,
rough,
sapphire,
shiny,
stone,
supply,
semitransparent,
uncut,
unpolished,
value