margarite

As nouns the difference between mica and margarite

is that mica is any of a group of hydrous aluminosilicate minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic while margarite is (mineralogy) a calcium-rich member of the mica group of phyllosilicates, forming white to pinkish or yellowish-gray masses or thin laminae.

As nouns the difference between calcium and margarite

is that calcium is calcium while margarite is (mineralogy) a calcium-rich member of the mica group of phyllosilicates, forming white to pinkish or yellowish-gray masses or thin laminae.