Herkimer Petroleum Quartz Crystal UV Reactive Round Pendant Locket Necklace (2) A Herkimer petroleum quartz locket pendant necklace features the rare and striking combination of clear Herkimer diamond quartz with trapped petroleum UV reactive inclusions. Known for its powerful energy amplification, this unique gemstone promotes clarity, emotional balance, and spiritual growth, making it both a beautiful and meaningful accessory. Approximate Measurements Necklace length 29" 23.63 grams 1.22" x 0.25" locket - magnetic closure Occasion/ Gifts : Unique Gift, Teacher Gift/ Graduation/ Daily Wear/ Party/ Wedding / Birthday/ Date Night/ Photo Shoot / Night Out / Festival Celebration /Prom /Event /Gala/ Bachelorette Party/ Baby Shower/ Mothers Day/ Holiday Parties/ New Year's celebrations/ Vacation / Cruise / Resort Wear/ Las Vegas attire Smoke Free | Pet Free Environment