Crossword-Solution: IDOCRASE 8 letters, 1 clue 🏆 scrabble score: 11

From the table above it will be observed that many minerals are omitted which, even if they are of common occurrence, are more to be regarded as accessory than as essential components of the rocks in which they are found.[3] Such are, for example, Garnet, Epidote, Tourmaline, Idocrase, Andalusite, Scapolite, the various Zeolites, and several other silicates of somewhat rarer occurrence.

The following minerals produce beads with a small quantity of soda, but if too much is added they produce slags: okenite, pectolite, red silicate of manganese, black hydro-silicate of manganese, idocrase, manganesian garnets, orthite, pyrorthite, sordawalite, sodalite, fluorspar.

Under andradite may also be placed topazolite, a honey-yellow garnet, rather like topaz, from Piedmont; colophonite, a brown resin-like garnet, with which certain kinds of idocrase have been confused; aplome, a green garnet from Saxony and Siberia; and jelletite, a green Swiss garnet named after the Rev.

VESUVIAN, v[=e]-s[=u]'vi-an, _adj._ pertaining or relating to _Vesuvius_, a volcano near Naples.--_n._ a kind of match used in lighting cigars, &c.--_n._ VES[=U]'VIAN[=I]TE, a mineral allied to garnet, sometimes called pyramidal garnet, found in volcanic and primitive rocks, and so called because frequent in masses ejected from Vesuvius--also Idocrase.--_v.t._ VES[=U]'VIATE, to burst forth like an eruption.