Fluorite. Calcium fluoride, a mineral of many different colors, white, yellow, purple, red, etc., often very beautiful. When crystallized it is commonly in cubes with perfect octahedral cleavage. Some varieties are used for ornamental vessels. Also called fluorspar, or simply fluor. The colored varieties are often called false ruby, false emerald, false topaz, false sapphire, and false amethyst. For jewelry purposes the chief value of the stone is the expense of cutting and mounting.

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“For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life.”
– John 3:16