Absolutely stunning and very rare. This 5.57 carat, flawless green Tanzanite bursts with sparkle. A wonderful deep green with a hint of blue. Strong violet, green and blue trichroic colors in the dichroscope. A real collector's piece.
A vintage Guys Dropper carbide caving lamp from the early 1900s. Brass, made in USA, measures 4" tall. Originally used by miners, they would mix water and calcium carbide rocks to create acetylene gas which was lit to provide light in the pitch black caves and mines.