Fluororichterite is a gem that is incredibly rare. It absolutely was only recently approved by the IMA as a mineral that is new 1993. Fluororichterite is usually only found as opaque, black to very dark crystals which can be green a mine in Wilberforce, Ontario, Canada. A realize that is recent Pakistan produced small, transparent, near colourless crystals suitable for faceting. This find produced extremely material that is little so gems are very difficult to have.
|Crystallography:||Monoclinic – Prismatic|
|Crystal Habit:||Prismatic crystals with a nearly diamond shaped cross-section with the four points usually cut by minor prism faces.|
|Twinning:||Commonly seen and results in a groove or notch running down the “spine” of the prismatic crystals.|
|Cleavage:||Imperfect in two directions|
|Hardness (Mohs):||5.0 – 6.0|
|Color:||Dark Green, Gray, Black, Brownish-Red, Rose-Red, Yellow; also very rarely Colorless|
|Transparency:||Opaque, Translucent; also very rarely Transparent|