💎↔️🟪🟦

#pleochroism #color change gem #trichroism #optical phenomenon #tanzanite properties

💎🟪🟦

#blue violet gem #zoisite #rare gem #tanzanite color #pleochroism

☀️🟢|💡❤️

#light dependent color change #pleochroism #daylight vs incandescent #alexandrite effect #color shift gem

☀️💚🔦💜

#alexandrite color change #pleochroism #daylight vs incandescent #gemstone phenomenon #light dependent color