Diallage is in fact an altered form of these varieties of pyroxene; the particular kind of alteration which they have undergone being known as "schillerization.
Diallage is usually greyish-green or dark green, sometimes brown, in colour, and has a pearly to metallic lustre or schiller on the laminated surfaces.
It contains no garnet or amphibole, but metalloid diallage disseminated in the mass.
I found no traces of this grey copper: it is probably the metalloid diallage that has given the Cerro de Guanabacoa the reputation of riches in gold and silver which it has enjoyed for ages.
The serpentine is sometimes of an esquillous, sometimes of a conchoidal fracture: this was the first time I had found metalloid diallage within the tropics.
Neglecting works of general bearing, few of which are without many inaccuracies, the following treatises may be especially mentioned:--J.
In some gabbros and norites reaction rims of fibrous hornblende are found around both hypersthene and diallage where these are in contact with felspar.
They consist in great part of diallage rocks and serpentine, and of an amygdaloid with calcareous kernels, and a base of serpentine.
In beds which lie below high-water mark in this Cove the mineralogist may obtain masses of Diallage Metalloïde, six or eight inches in length.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "diallage" in a variety of sentences. We hope that you will now be able to make sentences using this word.
