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sodium salt
History of Salt
The human body needs salt to stay alive. For people throughout history, it has been an incredibly important resource. Without salt, humans would be unable to survive.
Salt was an important economic and social item for ancient people. Throughout ancient history salt was used as a ......
1043 
Emily
spessartite
Iron and manganese ore are important raw materials in steel and they are widely used in steel industry. The main sources of these two mineral resources are iron-manganese ore deposits. Iron-manganese ore deposits are widely distributed on earth, but the most important ones are located in Brazil, Ch......
muscovite
Groom and Bride
Out of all the days that I have waited,
The day I married the love of my life was the most delightful.
The Groom and Bride exchanged vows on a beautiful white cloud marble church, set against the backdrop of a clear sunset and the undulating hills of their homeland.
The bride wore......
Pigment Minerals
Pigments from Mineral Sources
Pigments from mineral sources have been used for thousands of years. Ancient Egyptians used kaolin to make their bright yellow pigments, while the Greeks and romans used Egyptian blue and cinnabar, respectively. For centuries, these pigments were created by grinding ......
Fibrous plaster
Fiber Cement
Fiber cement is a composite material made of cement reinforced with cellulose fibers. It is a two thousand year old material with a history dating back to roman times when it was used in construction. Over the centuries it has been used in a range of applications, including roofing, f......
concrete
Concrete
Concrete is a composite building material composed of cement, water, sand and gravel. It is the most widely used construction material in the world and can be used for a range of purposes, from sidewalks and driveways to complex structures like high-rise buildings and bridges.
Concrete ......
Sulfur salt minerals
内容
Sulfate Minerals
Sulfate minerals are those minerals containing an anion consisting of two oxygens and a sulfur atom, SO4-2. Important sulfate minerals include anhydrite (calcium sulfate), alunite (potassium aluminum sulfate), barite (barium sulfate), anglesite (lead sulfate), celestite (stro......
hornblende rock
Introduction
Alabaster is a type of sedimentary rock mostly comprised of calcium carbonate. It is also known as onyx-marble, alabastrite, or Egyptian alabaster. Alabaster is commonly used for ornamental carvings, jewelry, and various other decorative items. Alabaster is a type of soft rock and is......
wheat
Wheat is a type of cereal grain which is widely grown in regions temperate of the world and is a staple food for many people around the world. The wheat kernel is composed of three distinct parts; the bran, germ, and endosperm. Wheat is a nutritious food, providing the body with essential nutrient......
Chrysoberyl
What is the Gemstone Emerald?
Emeralds are one of the most popular and renowned precious gems in the world. They are a variety of the mineral beryl, colored green by trace amounts of chromium and sometimes vanadium. Originally, emeralds were found in Egypt and considered a symbol of fertility and......
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