Calcite comes in over 300 different crystal forms. Crystal healers use calcite as an aid in memory and to enhance learning abilities. It is a perfect stone for students. It may also increase good fortune and luck. Blue calcite is popular with healers as its a calming variety of calcite that lessens anxiety.
Iceland spar varieties of calcite has double refraction which is used for polarising optical devices. Calcite is the principal constituent of marble and limestone. This soft material is one of the most widely used minerals.
Category: Carbonate Mineral
Crystal System: Hexagonal
Hardness (MOH SCALE): 3
Occurance: Global, especially Iceland, Germany, Czech Republic, Mexico and USA.