Todorokite is a complex hydrous manganese oxide mineral with generic chemical formula (Na,Ca,K,Ba,Sr) 1-x(Mn,Mg,Al) 6O 12·3-4H 2O. It was named in 1934...
17 KB (1,992 words) - 17:19, 10 January 2024
columbite and tantalite series Galaxite, MnIIAl2O4, a spinel mineral Todorokite, (Na,Ca,K,Ba,Sr) 1-x(Mn,Mg,Al) 6O 12·3-4H 2O, a rare complex hydrous manganese...
2 KB (232 words) - 12:21, 27 January 2024
thought caused them. Ferromanganese nodules have been found in the bay. Todorokite occurs within the nodules. There are numerous reefs of exposed bedrock...
18 KB (1,840 words) - 18:11, 25 June 2024
Tinaksite Tincalconite Titanite Titanium Titanowodginite Tobermorite Todorokite Tokyoite Tongbaite Topaz Torbernite Tourmaline (group of silicate minerals)...
42 KB (2,782 words) - 13:51, 17 September 2024
cryptomelane (KMn 8O 16) hollandite (BaMn 8O 16) romanechite ((Ba,H 2O)Mn 5O 10) todorokite ((Ba,Mn,Mg,Ca,K,Na) 2Mn 3O 12•3H 2O) and others. A three-dimensional form...
14 KB (1,583 words) - 21:43, 13 August 2024
05 Akaganeite, 10 Cryptomelane, 10 Romanechite, 10 Strontiomelane, 10 Todorokite 04.DL With large (± medium-sized) cations; fluorite-type structures: 05...
18 KB (1,957 words) - 19:53, 9 July 2024
manganese. Some minerals that are commonly associated with akhtenskite are: todorokite, pyrolusite, nsutite, goethite, and cryptomelane. Look up akhtenskite...
3 KB (228 words) - 22:16, 18 February 2023
Tungstite Tgs Tantalite-(Mg) Ttl-Mg Tennantite-(Zn) Tnt-Zn Thorasphite Tp Todorokite Tdr Triploidite Tpd Tungusite Tgu Tantalite-(Mn) Ttl-Mn Tenorite Tnr Thorbastnäsite...
180 KB (418 words) - 05:15, 30 June 2024
asbolane-buserite while diagenetic nodules are dominated by buserite I, birnessite, todorokite, and asbolane-buserite. The growth types termed diagenetic and hydrogenetic...
52 KB (6,245 words) - 20:57, 28 August 2024
cone-shaped formations of ferromanganese composition contain the mineral todorokite, which is common only in hot spring sediments. Thus, events with the formation...
20 KB (2,612 words) - 05:18, 25 May 2024
quartz, illite, montmorillonite, muscovite, and biotite, with phases of todorokite and trona appearing at depths closer to the bedrock. Upturned beds of...
102 KB (10,675 words) - 23:40, 16 July 2024
Other manganese oxides: Buserite Psilomelane Pyrolusite Ramsdellite Todorokite Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical...
29 KB (2,622 words) - 13:04, 22 May 2024
birnessite, buserite, goethite, mica smectite, smectite, palygorskite, quartz, todorokite and zeolites. The formation of the iron-manganese crusts was influenced...
8 KB (881 words) - 14:30, 4 April 2024
manganese oxides. He also discussed the tunnel structure of hollandites and todorokites along with the interlayer spacings of managanese oxides. In the early...
18 KB (2,051 words) - 14:30, 8 June 2024
(IMA1970-024): Burns, R G; Burns, V E; Stockman, H W (1983). "A review of the todorokite-buserite problem: implications to the mineralogy of marine manganese nodules"...
81 KB (8,732 words) - 16:18, 24 May 2024
org - Buserite Burns RG, Burns VE, Stockman HW (1983). "A review of the todorokite-buserite problem: implications to the mineralogy of marine manganese nodules"...
67 KB (6,139 words) - 17:31, 9 February 2024
clay, feldspar, ferrihydrite, feroxyhyte, goethite, hematite, quartz and todorokite and reach thicknesses of 10 centimetres (3.9 in), although they only cover...
16 KB (1,739 words) - 04:43, 20 April 2023
[447] TocornaliteQ (Y: 1867) 3.AA.10 [448] [none] [449] ((Ag,Hg)I) (?) Todorokite (IMA1962 s.p., 1934) 4.DK.10 [450] [451] [452] Tokkoite (IMA1985-009)...
65 KB (4,554 words) - 17:40, 9 February 2024
proportion of unstable heavy minerals (pyrolusite, manganite, birnessite, todorokite and rhodochrosite) in the Toarcian clays, that indicate basaltic volcanism...
88 KB (9,450 words) - 03:57, 19 August 2024
Components include asbolane, carbonate fluorapatite, goethite, palygorskite, todorokite and vernadite as well as minor calcite and quartz; the crusts which occur...
32 KB (3,418 words) - 11:07, 8 September 2024