Idocrase, commonly called vesuvianite, is found in the US, Norway, Siberia, Canada, Italy, Switzerland, Pakistan and Africa
Appearance
A wide color range, green, from California and Pakistan, blue from Norway, yellow from New York, colorless from Siberia. Also found in violet, brown. Often confused with a variety of other stones, including demantoid, diopside, epidote, peridot, smoky quartz, tourmaline and zircon.