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Benstonite is a mineral with formula Ba 6 Ca 6 Mg(CO 3) 13. [1] Discovered in 1954, the mineral was described in 1961 and named after Orlando J. Benston (1901–1966).
Bentonite layers from an ancient deposit of weathered volcanic ash tuff in Wyoming Gray shale and bentonites (Benton Shale; Colorado Springs, Colorado). Bentonite (/ ˈ b ɛ n t ə n aɪ t / BEN-tə-nyte) [1] [2] is an absorbent swelling clay consisting mostly of montmorillonite (a type of smectite) which can either be Na-montmorillonite or Ca-montmorillonite.
Baryte (included by malachite) on malachite, from Shangulowé Mine, Kambove, Central area, Katanga, Democratic Republic of Congo Spiky calcite scalenohedra with a coating of whitish benstonite on a layer of teal-colored fluorite Thin tabular biotite cluster Brookite from Kharan, Balochistan, Pakistan
See also External links A Abelsonite: C 31 H 32 N 4 Ni – American physicist Philip Hauge Abelson (1913–2004) Abswurmbachite: Cu 2+ Mn 3+ 6 O 8 SiO 4 – German mineralogist Irmgard Abs-Wurmbach (1938–2020) Adamite: Zn 2 AsO 4 OH – French mineralogist Gilbert Joseph Adam (1795–1881) Agrellite: NaCa 2 Si 4 O 10 F – English optical mineralogist Stuart Olof Agrell (1913–1996 ...
This list includes those recognised minerals beginning with the letter B.The International Mineralogical Association is the international group that recognises new minerals and new mineral names; however, minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date.
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Gloeomargarita lithophora, a cyanobacterium, is the proposed closest present day relative of all chloroplasts [1] (except for the independently evolved in the amoeboid Paulinella chromatophora).