Rogerley Fluorite, GB XL

Fluorite with Galena and Quartz from Rogerley, UK (England)
 
 Magnificent typical piece with its emerald green color that changes to intense blue in the sun.
 Superb colors, superb shine, top of the top !!
 Unspoiled piece , magnificent Fluorite cubes !
 Piece for discerning collectors .
 Ideal for connoisseurs looking for Fluorites of Excellence .
 It deserves its place in the most refined collections or the most prestigious showcases .
 
 Origin: Rogerley, Durhan, UK (England)
 Size: N / C
 Chemical formula: CaF2
 Crystal system: Cubic
 Hardness Mohs scale: 4
 
 Definition:
 Fluorite (or fluorite ) is amineral species composed of calcium fluoride . The different trace ions are at the origin of the multiple colors and colored zonations encountered for this mineral .