The name Fluorite comes from the Latin word for flux, which refers to a substance that promotes flowing and combining of other materials, especially minerals and metals. And in fact the mineral fluorite is used as a flux in making steel and other metals that require the removal of impurities.
The name Colin is of Irish origin. The meaning of Colin is pup or cub. It is also of English and Gaelic origin, where its meaning is whelp, young pup. Colin is generally used as a boy's name. It consists of 5 letters and 2 syllables and is pronounced Co-lin.
Tiffany /tif-fa-ny/ [3 sylls.] as a girls' name is pronounced TIF-a-nee. It is of Greek origin, and the meaning of Tiffany is revelation of God. Variant of the Greek Theophania. In many Christian countries, girls born on January 6, the Feast of the Epiphany, are given some form of this name. The feast commemorates the day when the three Magi saw the infant Jesus.