This stone dictionary will give you insight into the world of minerals, generally describing most of our utilized materials.

Stones by first letter: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Stones “I” Shown Below


Idocrase (Vesuvianite) – Vesuvianite, or Idicrase, is a silicate mineral found in green, brown, yellow and blue. This tetragonal crystal formation was first found in Mount Vesuvius, Italy in 1795. Idicrase can be set at a natural crystal in jewelry or faceted to create a vivid gemstone.



Imperial Jasper – Imperial jasper displays vivid orbicular patterns that can be seen in mauves and pinks to vibrant green and teal and is one of five fine jaspers.



Imperial Topaz – Imperial topaz is one of few naturally occurring topaz color variations that is yellow to peachy-pink and less common than other topaz. It grows in columnar crystals and is generally the highest valued topaz variety.

View all items with Imperial Topaz »


Iolite – Iolite is a silicate mineral that is generally a bluish violet color, though it can sometimes have a yellowish-grey colorshift. The gemmy translucent color of Iolite makes it a popular and affordable alternative to Sapphire.


Stones by first letter: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z