History of Fluorite. Fluorite has only been recognized as a distinct mineral since the eighteenth century, making it difficult to establish its ancient and medieval ...
Feldspar — Feldspar is a rock-forming mineral. It is important industrially in making glass, ceramics, enamelware and soaps. It is also used in making bonding ...
In the bauxite refining process, the aluminum-bearing minerals in bauxite are converted in a multiple-step process to alumina (Al2O3). Alumina can be smelted to form ...
MINERAL IDENTIFICATION KEY by Alan Plante & Donald Peck. We wish to make this key available to one and all in the hope of correct identification of minerals in ...
How to conduct a hardness test on an unknown rock or mineral using Mohs Scale of hardness.
Argument. The word "argument" can be used to designate a dispute or a fight, or it can be used more technically. The focus of this article is on understanding an ...
Detailed description, properties, and locality information guide about the mineral fluorite.
Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF 2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although ...
Uraninite. Comments: Polished slab of black "gummite" ore with the uraninite altering to various secondary uranium minerals in a brecciated matrix.
Fluorite is very easy to identify if you consider cleavage, hardness, and specific gravity. It is the only common mineral that has four directions of perfect cleavage ...
To identify an unknown mineral, start by answering the following questions: (1) What colour is the mineral? (2) What is the relief of the mineral?
Amethyst Galleries' Mineral Gallery "The First Internet Rock Shop!" THE GEMSTONES "The Flowers of the Mineral Kingdom"
About Mineral Classics "Mineral Classics", established in 1970, and located near Black Hawk, Colorado, is a leading company dedicated to supplying excellent quality ...
About this collection Welcome to Compare the Mineral! My name is Steve Sorrell. I have been collecting minerals for more than 30 years. My collecting habits are very ...
Mineral processing is a major division in the science of Extractive Metallurgy. Extractive metallurgy has been defined as the science and art of extracting metals ...
A mineral is a naturally occurring chemical compound, usually of crystalline form and abiogenic in origin. A mineral has one specific chemical composition, whereas a ...
Detailed description, properties, locality information guide about the mineral witherite.
MIN#EXCEPTIONAL-3 NEW! Gorgeous display specimen featuring large white stalactites of Aragonite perched alongside green Fluorite! This is an impressive specimen to ...