Beautiful Rare Green Natural Orvil Jack Turquoise Cabochon

Beautiful Rare Green Natural Orvil Jack Turquoise Cabochon for Jewelry Making or Turquoise Collection Handcrafted One of a Kind Unique Item Very special with its stand out Green color and teardrop Shape Beautiful Vibrant Green Color Teardrop Shape Approximately 28 millimeters in height and 12 millimeters in Width 17 Carats Mined in Nevada USA Expertly Cut by Master Turquoise Cutter Garrett McGinnis in Manassa Colorado Lightly Backed for stability Orvil Jack Discovered and Developed the Mine in Northern Nevada that produces the Green Turquoise that bears his name. Orvil Jack moved his family to Lander County Nevada in 1956. The mining claims he developed are known as the Blue Ridge in Crescent Valley. Originally Orvil sought the blue turquoise from the mine and the rare green color comes from a high zinc content. Mr Jack is now deceased and his daughter Grace continues to manage the mine with only a small amount being produced. Orvil Jack turquoise is considered extremely rare due to its scarcity and color