Polished Blue Spark Iolite Water Sapphire Spheres x 2 From Madagascar

A NOTE FROM NICK 
This is not just Iolite, but Rare dark blue material with sparks of blue in black/deep blue matrix with Pink Sillimanite dotted patterns. Cordierite /Aka Water Sapphire or Iolite. Not easy to find large enough piece to make spheres of this size from. This Blue Spark Material only came out briefly. The Spark effect is quite unusual and outstanding under a bright light or sunlight. 

PRODUCT DESCRIPTION

South African Iolite: The Viking’s Compass

Iolite, also called Water Sapphire or Cordierite, is a rare, collectible gem polished by South Africa’s top lapidaries, with only a few kilograms available. Its striking dark blue hue, nearly black in low light, features vibrant blue streaks in recent Northern Cape finds, resembling labradorite. Known for its pleochroism, displaying colors like blue-violet, grey, or light blue under transmitted light, it earned the name "Dichroite" (two-colored rock). Historically used by Vikings for navigation, Iolite’s beauty and rarity make it a prized gem.

PRODUCT MINERALS 
Cordierite, Magnesium Iron Aluminum Cyclosilicate

PRODUCT FEATURES 
Orthorhombic, Pleochroism

PRODUCT COLOUR 
Blue, Black

MOHS HARDNESS SCALE
7 to 7.5

PRODUCT DATA
Locality = Northern Cape, South Africa
Grade = Very Good Grade
Size = 82 - 85 mm