These pieces are a Free Form or Tumble shape of Blue Amber. There are 4 differnet pieces in this group A-D please select which Blue Amber you want or we will random pull. Please see the picture for the itmes labeling of A-D.
 
A: Is approximately 18.8 x 25.9 mm; thickness is approximately 14.5 mm, with a weight of approximately 4.10 grams. 
B: Is approximately 21 x 30.8 mm; thickness is approximately 10.5 mm, with a weight of approximately 4.11 grams.
C: Is approximately 22.8 x 21.6 mm; thickness is approximately 22 mm, with a weight of approximately 4.59 grams.
D: Is approximately 26 x 26.6 mm; thickness is approximately 11 mm, with a weight of approximately 3.64 grams.
 
Amber was formed form the fossilization of resin from the pine tree millions of years ago. It is one of the lightest gems known. Blue Amber can be found in the Dominican republic. Amber has been used as medicine and money in some civilizations. Also known as Succinite. Mohs hardness is 2-2.5.