This piece is shaped into a heart form with a flat base

in old silver mines

” Primary sources include Brazil

and metallic grey is the point

different crystal structure

Blue Apatite Heart October Birthstone This piece is shaped intoA heart carved from teal blue mineralsoft form, vivid color, unexpected geology. Blue Apatite is a calcium phosphate, Ca5(PO4)3(OH,F,Cl), Mohs 5. Gem quality blue is one of the rarer color expressions of the Apatite group; most natural Apatite is yellow, grey, or green. The teal to electric blue of this piece comes from trace rare earth elements in the crystal lattice, and the primary sources are Brazil and Madagascar. The mineral was named in the