These Labradorite Snake Carvings are approximately 35 x 58 mm: thickness is 11 mm: Weight is 34 grams. There are 22 snakes, so these are a random pull. There size is close to measurement above. 
 
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.