The Labradorite Cabs are list seperately for size purposes however they are all $5 each. 
 
Lab Cab's:
A = 23 x 39 mm, thickness is 7 mm, weight is 10 grams
B = 16 x 41 mm, thickness is 6 mm, weight is 6 grams
C = 17 x 35 mm, thickness is 6 mm, weight is 6 grams
D = 17 x 31 mm, thickness is 7 mm, weight is 6 grams
E = 16 x 32 mm, thickness is 5 mm, weight is 4 grams
F = 18 x 35 mm, thickness is 7 mm, weight is 6 grams
G = 14 x 30 mm, thickness is 7 mm, weight is 5 grams
H = 17 x 32 mm, thickness is 6 mm, weight is 5 grams
I = 14 x 29 mm, thickness is 7 mm, weight is 4 grams
 
Labradorite is feldspar with rainbow iridescence otherwise known as labradorescence. Most common color is blue, green and gold, with reds, pinks and purples being the rare. Hardness or Mohs is 6-6.5 and the main locations to find Labradorite is Madagascar, New York, Finland, Canada, and China.