mineral crystal system

Borax can also be prepared from minerals such as boracite, colemanite, and boronatrocalcite. These minerals are powdered and boiled with sodium carbonate solution: Two important hydrates of borax are: Pentahydrate, Na 2 B 4 O 7 .5H 2 O. Decahydrate or monoclinic borax,..

Minerals - Minerals occurring in the living cells form components of various inorganic and organic substances. About 20 different elements form the essential nutrients for the cells. Minerals in the living system occur in two forms (i) compounds or (ii) ions...

Calculation of Number of Particles per Unit Cell of a Cubic Crystal System - Calculation of Number of Particles per Unit Cell of a Cubic Crystal System. Keeping the following points in mind we can calculate the number of atoms in a unit cell. An atom at the c..

Crystals along with suitable examples are listed in the table. System Axial distances Axial angles Examples Cubic a = b = c α = β = γ = 90° NaCl,KCl, Diamond, Cu, Ag Tetragonal a = b ≠ c α = β = γ = 90°..

Another type of microphone, widely used in public-address systems, depends for its action on the piezoelectric effect possessed by certain crystals, for example Rochelle salt. The term piezoelectric effect refers to the fact that when pressure is applied on the crystal..

Keeping the following points in mind we can calculate the number of atoms in a unit cell. * An atom at the corner is shared by eight unit cells. Hence an atom at the corner contributes 1/8 to the unit cell * An atom at the face is a shared by two unit cells Contribution of each atom..

Gout - Uric acid accumulates in the blood and deposits as crystals in joints, kidneys and cartilages. This is a hereditary diseas..

Stones are formed from accumulation of mineral substances filtered by the kidneys during the formation of urine. The compounds of kidney stones are calcium oxalate, calcium phosphate, magnesium ammonium phosphate, uric acid and cystine ston..

Functions of Circulatory System - The functions performed by the circulatory system in all animals are 1) Transport of nutrients like glucose, amino acids, vitamins, minerals 2) Transport of oxygen from the organs of respiration to the body cells. 3) Transport of carbo..

It is a derivative of protoderm. It is represented by the epidermis and the associated structures, which are mainly involved in providing protection to the plant body. The epidermis is the outermost covering of the plant body. It is commonly described as the skin of the plant body. It is usually r..