Herkimer diamond - Wikipedia

File:Quartz (Herkimer Diamond) (near Herkimer, New York State, USA) 9.jpg - Wikimedia Commons

Herkimer Diamond Necklace Herkimer Diamond Crystal Pendant

File:Quartz (Herkimer Diamond) (near Herkimer, New York State, USA) 14.jpg - Wikimedia Commons

Caribbean Blue Chalcedony and Herkimer Diamond Bracelet-HANDMADE with love! 925 Silver Clasp

Sterling Silver Herkimer Diamond Pendant - Charles Albert Inc

Herkimer Diamond stone pendant for necklace and bracelet

Sterling Silver Herkimer Prong Set Adjustable Ring - Charles Albert Inc

Raw Herkimer Diamond Dangle Earrings with Sterling Silver - April Birthstone - Beadmask

9 World Famous Gemstones You Can Find In New York State

File:Quartz (Herkimer Diamond) (near Herkimer, New York State, USA) 8.jpg - Wikimedia Commons

Caribbean Blue Chalcedony and Herkimer Diamond Bracelet-HANDMADE with love! 925 Silver Clasp

File:Quartz (Herkimer Diamond) (near Herkimer, New York State, USA) (32165188920).jpg - Wikimedia Commons