ONYX
Onakite stone, specifications and application of onakite stone
What is Onakite Unakite is an igneous rock that is mainly composed of pink orthoclase feldspar, greenish-yellow epidote, gray or grayish quartz and small amounts of magnetite, chromite, ilmenite, apatite, zircon and other minerals Another name for this granite is epidote. Onakite stone is found from the fall of glaciers into the water and its…
What is oligoclase stone | Oligoclase detection methods
Oligoclase (in English: Oligoclase) With the chemical formula (NaCa) [Al 1-2 Si 3-2 O8], it is a mineral group and is derived from the word oligos. Color the flame green – insoluble in acids Various mixtures of albite to anorthite In terms of crystal shape: prismatic – disc-shaped – macle Color: black – black gray…
Recognition of Oclaz stone – Laboratory of Gemology
Identification of oklase stone and its use Euclase (in English: Euclase) with the chemical formula AlBe[OH-SiO4] is a group of minerals and has full violet luminescence. It is derived from the word classus. Euclase is a rare beryllium aluminum hydroxide silicate mineral that crystallizes in the monoclinic system. It has the chemical composition of BeAlSiO4(OH)….
