These hematite stone chokers are made with real 18k Gold plating. The necklaces are around 14.5 inches, and comes on a adjustable extender. Extender is 2 inches. 

Size: Stone Around 3mm, Pearls around 4mm, Hematite around 2mm

Material:
#1 Black Spinel
#2 Terahertz
#3 African Turquoise
#4 Magnesite
#5 Peruvian Amazonite
#6 Moonstone
#7 Labradorite

 
For longer lasting, please avoid contact with perfumes, body oils, and other chemicals, including household cleaners