Science

Definition – Rhodonite is a manganese inosilicate, (Mn, Fe, Mg, Ca)SiO3 and member of the pyroxenoid group of minerals, it is well known among collectors…

The Cold Atom Laboratory (CAL) is a fundamental physics user facility that will operate on the International Space Station (ISS). CAL is an experimental instrument being…

Definition – Andesine is a silicate mineral, and it was named after its original occurrence in the Andes Mountains of South America. By definition, Andesine…

Planck temperature, denoted by TP, is the unit of temperature in the system of natural units known as Planck units. In the Planck temperature scale, 0 is absolute zero, 1 is…

Definition – Analcime, also called analcite (from the Greek analkimos – “weak”), common feldspathoid mineral, a hydrated sodium aluminosilicate (NaAlSi2O6·H2O) that occurs in seams and…

Chlorine (chemical symbol Cl) is a chemical element. It is produced from ordinary salt – one of the most abundant, essential minerals on earth. Its…

A thermodynamic study of a pure substance at the triple point is presented. In thermodynamics, the triple point of a substance is the temperature and…

Definition – Novaculite, also called Arkansas Stone, ivery dense, light-coloured, even-textured sedimentary rock, a bedded chert in which microcrystalline silica (silicon dioxide, SiO2) in the…

Absolute zero is the lowest temperature possible. A theoretical condition concerning a system at the lowest limit of the thermodynamic temperature scale, or zero kelvins,…

A base anhydride is an oxide of a chemical element from group 1 or 2 (the alkali metals and alkaline earth metals, respectively). It is…

Thermodynamic temperature is the absolute measure of temperature and is one of the principal parameters of thermodynamics. It is such that zero temperature is absolute…

Definition – Mariposite is beneficial and strong stone; it is a mineral which is a chromium-rich variety of mica, which imparts an attractive green color…