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Volubilis (Berber languages: Walili, Arabic: وليلي‎), North African archaeological site, located near Fès in the Jebel Zerhoun Plain of Morocco. Built-in a fertile agricultural area,…

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,…

Pisa (/ˈpiːzə/ PEE-zə, Italian: [ˈpiːza] or [ˈpiːsa]), city, central Italy, in the Toscana (Tuscany) regione. The city lies on the alluvial plain of the Arno…

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…

Angkor Wat (/ˌæŋkɔːr ˈwɒt/; Khmer: អង្គរវត្ត, “City/Capital of Temples”) is one of the most important archaeological sites in South-East Asia. Stretching over some 400 km2,…

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…