HC Set: 57mm Rich Blue Iolite Pyramid Sparkling Natural Cordierite Crystal Polished Dichroite Mineral Water Sapphire Gemstone - India + One Polished Clear Quartz Cabochon

All our minerals and crystals are carefully measured with digital measuring instruments that provide the high accuracy of numbers/values!

• You will receive exactly this Iolite Pyramid - 57mm x 51mm / 2 1/4 x 2 Inches; 170g / 6 oz (see photo, the photos are taken under bright light)! In additional, you will get one of the Clear Quartz Cabochon similar to the one in the listing, the size and the color of the cabochon may slightly vary as well due to the fact that all minerals are different. Approximately Size: 31mm x 21mm x 16mm / 1 1/4 x 13/16 x 5/8 Inches; Approximately Weight: 12-22gr / 0.4-0.8 oz.
• Iolite is also named "water sapphire", cordierite or dichroite. Iolite has been worn for centuries and derives its name from “Ios” - the Greek word for violet. It is often claimed, that due to it’s strong pleochroism. Iolite is a color variety of the mineral cordierite. Sometimes the name "cordierite" is used to indicate "iolite". The green variety of cordierite is named praseolite.
• Chemical Formula: Mg2Al4Si5O18; Chemical Name: magnesium aluminum silicate; Hardness: 7-7.5; Colors: violet through slighty violetish blue, blue;
• The name dichroite means "two color rock," inspired by cordierite's pleochroic property. The name water sapphire is also related to pleochroism. It was used because a specimen could have the color of a sapphire when viewed from one direction, but if the stone was rotated it could appear to be as clear as water.
• (The above information is provided solely for informational purpose. Kindly note that all stones are offered for decorative purposes only. Please, handle your stones with great care, do not grind or crumble them, do not dip or add them into your food or drink, do not use any parts of them in any elixirs, potions, lotions etc. Always make sure you wash your hands before and after working with your crystals.)