Pink Tourmaline with Lepidolite 4mm Microfaceted Round A Grade - 15-16 Inch R0187 one of the first fluorescent

one of the first fluorescent minerals ever studied

as well as other non-standard crimp bead and tube sizes

It is considered a precious Opal

and this phenomenon is thought to be due to impurities of yttrium or organic matter within the crystal lattice

Pink Tourmaline with Lepidolite 4mm Microfaceted Round A Grade - 15-16 Inch R0187 one of the first fluorescentPink Tourmaline ranges in color from light pink to deep magenta, with inclusions of white to colorless translucent or transparent. Tourmaline occurs in nearly every color in the rainbow and its name derives from turmali, the Sinhalese word for mixed color precious stone. Tourmaline is unusual in that it is both pyroelectric and piezoelectric, meaning it becomes magnetically charged from heat or friction.