The naked eye distinguishes calcite, dolomite, K-feldspar, barite, fluorite, quartz
Barite: white orthorhombic crystalK-feldspar: usually flesh red and white or grayDolomite: the three party system, a rhombohedral crystal, crystal plane bends into the saddle, polysynthetic twin common. Usually a granular aggregate. Pure white; iron was grey brown. After weathering; glass luster. Cold dilute hydrochloric acid slowly bubbling.
Fluorite: Fluorite in nature is often bright coloredQuartz is translucent or opaque crystal, generally milk white, hard texture
Calcite calcite crystal shape is varied, they can be a collection of clusters of crystal, can also be a massive, granular, fibrous, stalactitic, earthy, ordinary white or colorless, because it contains base metal color elements showed a reddish, yellowish, pale, red, purple. A variety of colors, white streak.
