Northupite

Northupite
Northupite octahedra
General
Category	Carbonate minerals
Chemical formula	Na3Mg(CO3)2Cl
Strunz classification	05.BF.05
Crystal symmetry	m3 (2/m 3) - Diploidal
Unit cell	a = 13.98Å
Identification
Color	Colourless, pale yellow, grey, brown; colourless in transmitted light
Crystal system	Isometric
Fracture	Conchoidal
Tenacity	Brittle
Mohs scale hardness	3½ - 4
Luster	Vitreous
Diaphaneity	Transparent
Optical properties	Isotropic
Solubility	Readily soluble in dilute acids with effervescence. Decomposed by hot water with the separation of magnesium carbonate.

Northupite is an uncommon evaporite mineral, with the chemical formula Na₃Mg(CO₃)₂Cl. It was discovered in 1895 at Searles Lake, San Bernardino County, California by C. H. Northup (b. 1861), a grocer from San Jose, California, for whom Northupite is named.

References

• Mindat, with localities
• Webmineral

This article about a specific carbonate mineral is a stub. You can help Wikipedia by expanding it.v · Categories: Halide minerals Carbonate minerals Sodium minerals Carbonate mineral stubs Wikimedia Foundation. 2010. Игры ⚽ Поможем сделать НИР The Marvelous Palace And Other Stories RPM number-one hits of 1997 Look at other dictionaries: northupite — nor·thup·ite …   English syllables northupite — ˈnȯ(r)thəˌpīt noun ( s) Etymology: C. H. Northup, 19th century American mineral collector who first obtained it + English ite : a mineral Na3MgCl(CO3)2 composed of a magnesium sodium carbonate with chloride and occurring in colorless octahedral… …   Useful english dictionary List of minerals N-R (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… …   Wikipedia Searles Lake — (also called Searles Dry Lake), is an evaporite basin located near the community of Trona in San Bernardino County, California. Searles Valley Minerals currently extracts 1.7 million tons of industrial minerals each year from several lakebeds… …   Wikipedia Nahcolite — General Category Mineral Chemical formula NaHCO3 Strunz classification 05.AA.15 Dana classification …   Wikipedia 18+ © Academic, 2000-2024 Contact us: Technical Support, Advertising Dictionaries export, created on PHP, Joomla, Drupal, WordPress, MODx. Mark and share Search through all dictionaries Translate… Search Internet Share the article and excerpts Direct link … Do a right-click on the link above and select “Copy Link”