Title: Antique Green Serpentine Jade Necklace With 14k Yellow Gold
Shipping: $19.00
Artist: N/A
Period: 20th Century
History: N/A
Origin: North America > United States
Condition: Very Good
Item Date: 1950 to 1970
Item ID: 5279
Serpentine is a beautiful emerald green stone. 10mm serpentine bead necklace with smaller bead extensions, the smaller ones look to be jade? Hand picked and hand made Antique serpentine Bead necklace with 14kt Yellow Gold. This luscious pair of serpentine beads will complement any ensemble. The serpentine gemstones used for this necklace are very high quality and these stones are becoming much more difficult to find than in the past. 10mm serpentine bead necklace with smaller bead extensions. Condition: Very good.
Link: http://en.wikipedia.org/wiki/Serpentinite
Serpentinite is a rock composed of one or more serpentine group minerals. Minerals in this group are formed by serpentinization, a hydration and metamorphic transformation of ultramafic rock from the Earth's mantle. The alteration is particularly important at the sea floor at tectonic plate boundaries.
Rock temperatures can be raised by about 260 °C, providing an energy source for formation of non-volcanic hydrothermal vents. The magnetite-forming chemical reactions produce hydrogen gas under anaerobic conditions prevailing deep in the mantle, far from the Earth atmosphere. Carbonates and sulfates are subsequently reduced by hydrogen and form methane and hydrogen sulfide. The hydrogen, methane, and hydrogen sulfide provide energy sources for deep sea chemotroph microorganisms
