This is a very nice gem quality irregular shape freeform nugget and small round polished Olivine Peridot (a variety of Forsterite) Evening Emerald beads Dangle Leverback Earrings from Pakistan. It is in great condition, and has natural, untreated color. Round Beads are 4mm diameter, nugget beads about 17mm length, ( peridot of this size is considered large enough). Chemically, Peridot ((transparent gem variety of Olivine)) is an iron magnesium silicate and its intensity of colour depends on the amount of iron it contains. The best colors of peridot generally contain about 10-15% of iron. Peridot serves as a birthstone for the month of August. Location: Sapat Gali, Naran, Kaghan Valley, Mansehra District, Khyber Pakhtunkhwa Province, Pakistan Length: 4.8 Centimeters long with hook Weigh: 5 Grams Interesting Fact: The name probably derives from the Arabic word faridat (gem). Peridot is sometimes referred to as 'chrysolite', a historical name which archaically refers to several green to yellow-green coloured gemstones. This gemstone has been named the "Evening Emerald" by some people because of the way the Peridot softly glows under the starlight or a lantern.