almandite

These had a composition between almandite and pyrope, that is, they had both magnesium and iron with aluminum and silica.

A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Frank Bertram Wade

These are all silicates, the almandite garnets being silicates of iron and aluminum; the pyrope garnets are silicates of magnesium and aluminum; the hessonite garnets, silicates of calcium and aluminum, and the andradite garnets, silicates of calcium and iron.

A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Frank Bertram Wade

Brazil, from its prolific gem gravels at Minas Novas, supplies good almandite, and smaller quantities are found in many different localities.

A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Frank Bertram Wade

Pyrope and almandite garnet tend to merge in composition and in properties, and the beautiful "_Rhodolite_" garnets of Macon County, North Carolina, are between the two varieties in composition, in color, and in other properties.

A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Frank Bertram Wade

As many such garnets belong to the mineral species _almandite garnet_, there is little objection to the continuance of this practice.

A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Frank Bertram Wade

The so-called almandine garnets of the jeweler are frequently of the almandite class and tend to purplish red.

A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Frank Bertram Wade