1 Manjiroite Mineral Data
General Manjiroite Information : Chemical Formula: (Na,K)(Mn++++,Mn++)8O16•n(H2O) Composition: Molecular Weight = 739.94 gm Potassium 1.06 % K 1.27 % K 2 O
http://webmineral.com/data/Manjiroite.shtml
2 Manjiroite Image
Dark brownish black massive sample of manjiroite. Arizona, USA.
http://webmineral.com/specimens/picshow.php?id=725
3 Mineral specimen : mineralspecies.com
Manjiroite. Adams mine; Kalahari Manganese Field; South Africa; 6.8 by 4.8 by 3.1 cm – Small cabinet specimen (under 10 cm) This is a 2 cm thick fibrous vein (asbestiform ...
http://www.mineralspecies.com/?page_id=16&num=92
4 Asbestiform manjiroite and todorokite from the Kalahari manganese ...
South African Journal of Geology; December 2000; v. 103; no. 3-4; p. 163-174; DOI: 10.2113/1030163 © 2000 Geological Society of South Africa
http://sajg.geoscienceworld.org/cgi/content/abstract/103/3-4/163
5 Cryptomelane: Cryptomelane mineral information and data.
System: Monoclinic: Colour: Brown, greyish-white: Lustre: Earthy: Hardness: 5 - 6½ ... 7.2.3: Manjiroite
http://www.mindat.org/min-1164.html
6 RARE MINERALS FOR DISCRIMINATING COLLECTORS
MANJIROITE N’Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa In addition to the new discovery of Maganvesuvianite described above, our ...
http://www.minresco.com/display/rare04.htm
7 MANJIROITE
MANJIROITE; History / Historique. Authors / Auteurs (inventeurs): NAMBU & TANIDA; Discovery date / Date de découverte: 1967; Etymology / Etymologie: Dédié au professeur Manjiro ...
http://euromin.w3sites.net/mineraux/MANJIROITE.html
8 Alan Guisewite's Mineral Collection Images: Miscellaneous Systematic ...
Manjiroite. A miniature of massive manjiroite (sodium manganese oxide) from Tombstone, Cochise County, Arizona. It's a member of the hollandite subgroup of the cryptomelane group - the ...
http://www.cs.cmu.edu/%7Eadg/adg-psoimages.html
9 GemRocks: Psilomelane
... sack term to include massive masses of one or more of the following minderals: coronadite (PbMn 8 O 16), cryptomelane (KMn 8 O 16), hollandite (Ba,K,Ca,Sr)(Mn,Ti,Fe) 8 O 16, manjiroite ...
http://www.cst.cmich.edu/users/dietr1rv/psilomelane.htm
10 SYSTEMATIC MINERALS
MANJIROITE - N’Chwaning II Mine, Kalahari Mn Field, No. Cape Province, South Africa MANJIROITE - Prompter Mine, near Tombstone, Cochise County, Arizona
http://www.minresco.com/syst/m.htm
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