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Kyanite from
Mautia Hill, Kongwa, Kongwa District, Dodoma Region, Tanzania


Locality type:Hill
Classification
Species:Kyanite
Formula:Al2(SiO4)O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Yoderite6 photos of Kyanite associated with Yoderite at this locality.
Talc5 photos of Kyanite associated with Talc at this locality.
Quartz3 photos of Kyanite associated with Quartz at this locality.
Data
Mineral Data:Click here to view Kyanite data
Locality Data:Click here to view Mautia Hill, Kongwa, Kongwa District, Dodoma Region, Tanzania
Data Identifiers
Mindat Occurrence Record ID:66025
Long-form Identifier:1:3:66025:5
GUID (UUID V4):ed7d5995-451a-4394-8384-c5d8e26897c4
Nearest other occurrences of Kyanite
99.1km (61.6 miles) Winza, Mpwapwa District, Dodoma Region, Tanzania
References
Reference Search (possible matching items)
Report (issue)
816(1) c = 7.250(2) X-ray Powder Pattern: Mautia Hill, Tanzania. 3.50 (100), 3.03 (80), 2.61 (60), 2.00...11.83 [2.69] 0.36 [99.99] [99.03] (1) Mautia Hill, Tanzania; Fe2+ :Fe3+ from MÄo ssbauer spectroscopy...(OH)1: 98 : Occurrence: A major phase in quartz-kyanite-talc schist formed under conditions of »10 kbar...Distribution: Kyanite, talc, hematite, quartz. On Mautia Hill, Kongwa, Central Province, Tanzania. Name: For...D.C., USA. Type Material: Geological Survey of Tanzania, JH 2563/2, JH 2563/14; National Museum of Natural
Journal (article/letter/editorial)
hydrous magnesium iron aluminosilicate from Mautia Hill, Tanganyika. (With Plate XI.) By DUNCANMcKm,...structure appears to be related to t h a t of kyanite, with which the mineral is intergrown ; it is not... occurs in a quartz_][_ yoderite-kyanite-talc schist at Mautia Hill (6~ 889 S., 36~ 29' E.), 6 miles...former Groundnut Scheme headquarters at Kongwa, Mpwapwa District, Central Province, Tanganyika Territory...Territory. The general geology of the district has been described by Temperley (1938), who regarded (p. 40)
Journal (article/letter/editorial)
thomsonite, 506 Berk Hill: apophyllite, 508 Black Cave, Islandmagee: mordenite, 5O9 Carnmoney Hill, Belfast: calcite...lithomarge, xlvi White Mountain: mordenite, 509 Wolf Hill, Legoniel: apophyllite, 508 Tipperary Knockanroe...Knockanroe and Ballygown South mines, Silvermines district: pyrite, marcasite, arsenopyrite, blende, galena, baryte... 136 Shallee and Gortadyne mines, Silvermines district: pyrrhotine, arsenopyrite, chalybite, pyrite,...cryptomelane, 168, 334 Goldongri mine, Panch Mahal district, Gujarat State: blanfordite, manganophyllite,
Journal (article/letter/editorial)
the eastern margin of the Tanzania Craton in the Mpwapwa area, central Tanzania Robert J. Thomas a,∗ , Nick...Abdul Mruma d a British Geological Survey, Nicker Hill, Keyworth, Nottingham NG12 5GG, UK NERC Isotope...Bergen, Norway d Geological Survey of Tanzania, Dodoma, Tanzania b a r t i c l e i n f o Article history:...Available online 15 November 2012 Keywords: Archaean Tanzania Craton Palaeoproterozoic Usagaran Geochronology...and geochronology of the eastern margin of the Tanzania Craton near Mpwapwa yields new constraints on
Journal (article/letter/editorial)
in an equilibrium assemblage with talc+chlorite+kyanite+dravite+hematite. There is no quartz present. Recalculated...for the type locality at 2 5.7 0.3 4 18 2 Mautia Hill, Tanzania, i.e. Mg Al Fe Si O (OH) . Textural relationships...was formed by reaction between talc, chlorite, kyanite and hematite. Experimental evidence suggests high-water-pressure...thick talc+kyanite+quartz ‘whiteschist’ in the Usagaran Complex, exposed in Mautia Hill, Tanzania (McKie...marble, biotite gneiss, piedmontite quartzite and kyanite schist. McKie (1959) named the mineral in honour
Journal (article/letter/editorial)
first was discovered by McKie (1959) at Mautia Hill (Tanzania), while the second was discovered by Johnson...characterised by the diagnostic assemblage of talc and kyanite, and commonly additionally contain quartz or coesite...system determined that the characteristic talc– kyanite assemblages of whiteschists become stable above...(Schreyer & Seifert, 1969). At lower pressures talc–kyanite This article is protected by copyright. All rights...Fockenberg and Schreyer (1994) expanded the talc–kyanite stability field as their study determined lower
Journal (article/letter/editorial)
yoderite was discoveredin 1959by McKie at Mautia Hill, Tanzania, a locality within the Proterozoic Usagarancomplex...together with kyanite, talc, qnartz, and hematite. Basedon the observation that kyanite and talc are separatedfrom...of yoderite was given by McKie (1959) as talc + kyanite: yoderite + quartz. Using crystallographicdata...composition of the green yoderite variety of Mautia Hill (McKie and Bradshaw, 1966). If one replacesthe...composition of yoderite lies on a line between kyanite and forsterite. The formula of yoderite can indeed
Journal (article/letter/editorial)
of talc– and kyanite–bearing amphibolite from the Paleoproterozoic Usagaran Belt, Tanzania Keiko MORI*... Dar es Salaam, Tanzania ** We report a newly discovered assemblage of talc–kyanite in an amphibolite...of the Paleoproterozoic Usagaran Belt, central Tanzania. The amphibolite is characterized by the mineral...mineral assemblage of clinoamphibole, kyanite, talc with minor rutile, quartz, dolomite, and rare barite...modelling predicts that the studied talc– and kyanite–bearing amphibolites formed at high–pressure conditions
Journal (article/letter/editorial)
(1973) 324-328. NORTH-HOLLAND PUBLISHING COMPANY KYANITE-TALC SCHIST FROM SAR E SANG, AFGHANISTAN H. KULKE...talc and kyanite with or without additional gedrite and quartz were discovered. The talc-kyanite and gedrite-kyanite...gedrite-kyanite assemblages indicating pressures in excess of 10 kb were, during a later episode of metamorphism...metamorphism [ 1]. As examples the assemblages kyanite-enstatite [2], sillimanite-orthopyroxene [3], and...be cited. Until very recently the assemblage of kyanite with talc was considered extremely rare: In addition
Journal (article/letter/editorial)
breakdown reactions involving the phases chlorite, kyanite, talc, staurolite, pyrope, enstatite, boron-free...Importantly, this is also true for the reaction kyanite + talc + hematite+ H2O = yoderite + quartz which...the only yoderite occurrence in nature at Mautia Hill, Tanzania. Preliminary thermodynamic calculations...environment of this kind, yoderite formation in the Mautia Hill whiteschist may have occurred even at constant...McKie (1959) in a 5 m thick schist band at Mautia Hill (Tanzania). This locality within the Proterozoic Usagaran
Journal (article/letter/editorial)
group characterized by the assemblage of talc with kyanite is particularly interesting as it may appear in...o e x i s t e n c e of an aluminium silicate (kyanite or s i l l i m a n i t e ) w i t h a more or less...I9. At temperatures below that of I6 the talc-kyanite pair becomes unstable, upon pressure release, due...through the simple reaction relationship talc + kyanite--~ chlorite + quartz. (1) At higher temperatures...higher temperatures the whitesehist assemblage talc-kyanite becomes unstable even at the high pressures through
Journal (article/letter/editorial)
six localities worldwide, but only at Chilapila Hill in the Lu®lian Arc, Zambia do textural relationships...assemblage has also been reported from Mautia Hill, Tanzania (P £ 13 kbar). In order to estimate possible...anthophyllite (Ath), chlorite (Chl), cordierite (Crd), kyanite (Ky), and talc. The minimum pressure for Krn +...is found in the same thin section as talc and kyanite and all three minerals formed during a prograde...touch either talc or kyanite. A reaction relating the Mulvoj and Chilapila Hill (Krn + Tlc + Ky + Qtz
Report (issue)
or Space Group: X-ray Powder Pattern: Mautia Hill, Tanzania (5H). 2.43 (vs), 1.426 (s), 2.49 (ms), 2...nigerite, sapphirine, sillimanite, cordierite, kyanite, garnet, quartz, chlorite, gedrite, phlogopite... Ireland. On Mautia Hill, Tanzania. At the Linganga deposit, Njombe district, Tanzania. From Tsaobis...India, at Kajlidongri and Sitapar, Chhindwara district, Madhya Pradesh; in the Nagpur and Balaghat districts...Langenberg, Saxony, Germany. From Inken, Tiovine region, Morocco. In the USA, in the Artillery Mountains
Journal (article/letter/editorial)
found in new analyses of natural yoderite from Tanzania. In some runs yoderite coexisted with kornerupine...unter derjenigen der natiirlichen Yoderite yon Mautia Hill, Tansania, liegt (dort 0.15 Mn 3+ p.F.E.). In...far only known from a quartz-kyanite-talc-schist at Mautia Hill, Tanzania, where it forms dark blue porphyroblasts... Indeed a green yoderite variety, also from Mautia Hill, described by McKie and Bradshaw (1966) has Mn-oxides...Abraham (t), Bochum, on a purple yoderite from Mautia Hill, which was dedicated to the second author of
Journal (article/letter/editorial)
M6ssbauer Spectra of Purple and Green Yoderite, a Kyanite-Related Mineral R.M. Abu-Eid 1., K. Langer 1, and...purple (PY) and green yoderite (GY) from Mautia Hill, Tanzania, show that the bulk of the iron is Fe 3+...structurally related to the important mineral kyanite, is a hydrous magnesium-aluminium-silicate mineral...by McKie (1959) in a quartz-kyanite-talc schist at Mautia Hill, Tanzania. This iron and manganese bearing...variety of yoderite was described, also from Mautia Hill (McKie and Bradshaw, 1966). These are the only
Journal (article/letter/editorial)
MAGAZINE, SEPTEMBER I972, VOL. 38, PP. 837--46 Talc-kyanite-quartz schists and other high-pressure assemblages...Talc-kyanite-quartz schists, Mg-chlorite-kyanite-quartz schists, kyanite gedritites, and kyanite-bronzite...talc-kyanite is at approximately Io kb and is largely independent of temperature. The talc-kyanite association...The yoderite-bearing talc-kyanite-quartz schist from Mautia Hill, Tanzania (McKie, i958 ) is, as far...natural occurrence of this assemblage, z Talc-kyanite-quartz assemblages from the Central Province of
Book
GEMSTONES of East Africa Burundi, Kenya, Rwanda, Tanzania and Uganda Bruce Cairncross Published by Struik...resources 12 Burundi 13 Kenya 14 Rwanda 16 Tanzania 17 Uganda 20 Gemological properties 21 A to...through Tanzania, Kenya, Ethiopia and into the Sudan - has blessed East Africa, Kenya and Tanzania, with...starting in what was then Tanganyika ( now mainland Tanzania) and then progressing to Kenya - I am proud to...countries are among the finest in the world. The region and its gems are particularly dear to my family
Report (issue)
= 6.715(2) Z=4 X-ray Powder Pattern: Mautia Hill, Tanzania. 2.639 (100), 3.03 (80), 3.37 (60), 2.118...corundum, tourmaline, grandidierite, dumortierite, kyanite, sillimanite, andalusite, biotite, phlogopite,...In Germany, from Waldheim, Saxony. From Mautia Hill, Tanzania. On the Bok se Puts Farm, Namaqualand, Cape
Report (chapter)
The present-day Gregory Rift Valley in northern Tanzania is an elongate north–south half graben flanked...and northern ends, respectively. The northern Tanzania volcanic province is younger overall than the...surface interface between the Archaean rocks of the Tanzania Craton and the north –southtrending Mozambique...volcanoes, which overlies cratonic rocks, the Tanzania Geological Survey maps show the volcanic province...Usagara Mountains at the southeastern margin of the Tanzania Craton (Quennell et al. 1956). Such rocks extend
Journal (article/letter/editorial)
Department of Geology, University of Dar-es-Salaam, Tanzania, E-mail: muhongo@udsm.ac.tz lnstitut fur Geowissenschaften...the best exposures are in East-Central, and NE-Tanzania (Uluguru-, Pare-Usambara mountain ranges); and...e. westerly-directed thrusts seen in graphitic kyanite gneisses) and magmatic underplating (i.e., juvenile...granulite-facies rocks of eastern and north eastern Tanzania (Muhongo, et al., 2001). Gneisses (ca. 800°C/10...Ophiolite Complex in the Kenya/ Ethiopia border region. The original gabbro in this complex crystallized
Journal (article/letter/editorial)
yoderite, a rare high pressure mineral from Mautia Hill, Tanzania (McKie 1959; McKie and Bradshaw 1966) whose...1962; tliggins et al. 1982) is closely related to kyanite and andalusite. The main absorption bands, centered...1978). The yoderite-kyanite intergrowth relations, with yoderite [010] parallel to kyanite [001] (McKie 2oo...M6ssbauer spectra of purple and green yoderite, a kyanite related mineral. Phys Chem Minerals 3:271-289 Fleet...hydrous magnesium iron aluminosilicate from Mautia Hill, Tanganyika. Mineral Mag 32:282-307 McKie D,
Journal (article/letter/editorial)
Defects in Three Structurally Related Minerals: Kyanite, Yoderite and Staurolite A. Lefebvre Universit~...structures, being the A12SiOs layer characteristic of kyanite. This characteristic has been found in the crystallographic...crystallographic analysis of the lattice defects of kyanite. The results of this analysis will be presented...yoderite and staurolite. Abstract. The structures of kyanite, yoderite and staurolite are all built up of alternating...which is the AlzSiO 5 layer characteristic of the kyanite structure. All the lattice defects found by transmission
Journal (article/letter/editorial)
and are characterized by the mineral assemblage kyanite ? talc (?-quartz or coesite). We demonstrate that... feldspar, or omphacite are formed instead of kyanite or talc. Furthermore, the stability field of the...schist with the characteristic mineral assemblage kyanite ? talc, which had undergone highpressure metamorphism...Mineral Petrol protoliths have been suggested for kyanite-talc-bearing rocks, including metapelites, acid...that rocks with the mineral assemblage talc ? kyanite characteristically form at elevated pressures of
Journal (article/letter/editorial)
Namaqualand, South Africa Madras, India Vishakhapatnam District, India 7563 89789 86875 b2I 86878 b2 89790 JAS-I...1973). Similar data for a sapphirine from Mautia Hill, Tanzania, were assembled from the works of McKie...sapphirine. It should be pointed out that the Mautia Hill sapphirine is anomalous in that all the Fe 3+...All other sappbirines are P 21/a ture. In the Mautia Hill sapphirine with all Fe 3+ assigned to tetrahedral...Wilson Lake, Canada Sapphirine (WL 754) and Mautia Hill, Tanzania Sapphirine (JH 2800) Tet'l Oct' 13+ Oct'
Journal (issue)
“Sugarcane Emerald” from Brazil • Orange kyanite from Tanzania • Rare optical phenomenon in play-of-color...Dona Dirlam wrote part of her 1992 “Gem Wealth of Tanzania” article sitting at my backyard patio table, while...gemological occurrence of pegmatitic gems in the region, as well as research. Based on his decade of experience...Dirlam et al. surveyed the colored stone wealth of Tanzania. Adolph Peretti and coauthors provided the authoritative...~300 nm and absorbed strongly in parts of the IR region (specifically the range 7000–20000 nm). The smaller
 
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