-
1
-
-
85036844526
-
-
Abduriyim A., Kitawaki H. (2008) New geological origin: Ruby from Winza of Tanzania. Gemmology, 39, Issue 8, No. 467, pp. 4-7 [in Japanese with English insert].
-
Abduriyim A., Kitawaki H. (2008) New geological origin: Ruby from Winza of Tanzania. Gemmology, Vol. 39, Issue 8, No. 467, pp. 4-7 [in Japanese with English insert].
-
-
-
-
2
-
-
0344765491
-
High-pressure granulite facies metamorphism in the Pan-African Belt of eastern Tanzania: P-T-t evidence against granulite formation by continent collision
-
Appel P., Möller A., Schenk V. (1998) High-pressure granulite facies metamorphism in the Pan-African Belt of eastern Tanzania: P-T-t evidence against granulite formation by continent collision. Journal of Metamorphic Geology, Vol. 16, pp. 491-509.
-
(1998)
Journal of Metamorphic Geology
, vol.16
, pp. 491-509
-
-
Appel, P.1
Möller, A.2
Schenk, V.3
-
3
-
-
67649489554
-
Update on FTIR characteristics of heated and unheated yellow sapphire
-
Bangkok, December 6-7, p
-
Balmer W., Leelawatanasuk T., Atichat W., Wathanakul P., Somboon C. (2006) Update on FTIR characteristics of heated and unheated yellow sapphire. GIT2006: 1st International Gem and Jewelry Conference, Bangkok, December 6-7, p. 91.
-
(2006)
GIT2006: 1st International Gem and Jewelry Conference
, pp. 91
-
-
Balmer, W.1
Leelawatanasuk, T.2
Atichat, W.3
Wathanakul, P.4
Somboon, C.5
-
6
-
-
85036823776
-
-
Berman R.G, 2007) winTWQ version 2.3, A software package for performing internally-consistent thermobarometric calculations. Geological Survey of Canada, Open File 5462, 41 pp
-
Berman R.G. (2007) winTWQ (version 2.3): A software package for performing internally-consistent thermobarometric calculations. Geological Survey of Canada, Open File 5462, 41 pp.
-
-
-
-
7
-
-
67649475116
-
Gem News International: An interesting zoned sapphire crystal from Winza, Tanzania
-
Choudhary G. (2008) Gem News International: An interesting zoned sapphire crystal from Winza, Tanzania. Gems & Gemology, Vol. 44, No. 3, pp. 270-272.
-
(2008)
Gems & Gemology
, vol.44
, Issue.3
, pp. 270-272
-
-
Choudhary, G.1
-
8
-
-
33947200917
-
Geologie und Petrographie des Saphir- und Rubinvorkommens von Chimwadzulu Hill (W-Malawi).
-
Dill H.G. (2005) Geologie und Petrographie des Saphir- und Rubinvorkommens von Chimwadzulu Hill (W-Malawi). Gemmologie: Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 54, No. 1, pp. 7-20.
-
(2005)
Gemmologie: Zeitschrift der Deutschen Gemmologischen Gesellschaft
, vol.54
, Issue.1
, pp. 7-20
-
-
Dill, H.G.1
-
9
-
-
52849106798
-
Gem wealth of Tanzania
-
Dirlam D.M., Misiorowski E.B., Tozer R., Stark K.B., Bassett A.M. (1992) Gem wealth of Tanzania. Gems & Gemology, Vol. 28, No. 2, pp. 80-102.
-
(1992)
Gems & Gemology
, vol.28
, Issue.2
, pp. 80-102
-
-
Dirlam, D.M.1
Misiorowski, E.B.2
Tozer, R.3
Stark, K.B.4
Bassett, A.M.5
-
10
-
-
33846260997
-
Central Tanzanian Tectonic Map (CTTM): A step forward to decipher pre-Pan-African and Pan- African structural events in the East African Orogen
-
Fritz H., Tenczer V., Hauzenberger C.A., Wallbrecher E., Hoinkes G., Muhongo S., Mogessie A. (2005) Central Tanzanian Tectonic Map (CTTM): A step forward to decipher pre-Pan-African and Pan- African structural events in the East African Orogen. Tectonics, Vol. 20, pp. 1-45.
-
(2005)
Tectonics
, vol.20
, pp. 1-45
-
-
Fritz, H.1
Tenczer, V.2
Hauzenberger, C.A.3
Wallbrecher, E.4
Hoinkes, G.5
Muhongo, S.6
Mogessie, A.7
-
11
-
-
0002469086
-
Datierung von granitischen Gesteinen im Dodoman- und Usagaran System und in der Ndembera-Serie (Tanzania)
-
Gabert G., Wendt I. (1974) Datierung von granitischen Gesteinen im Dodoman- und Usagaran System und in der Ndembera-Serie (Tanzania). Geologisches Jahrbuch, Vol. B11, pp. 3-55.
-
(1974)
Geologisches Jahrbuch
, vol.B11
, pp. 3-55
-
-
Gabert, G.1
Wendt, I.2
-
12
-
-
85036841925
-
-
GIT [Gem and Jewelry Institute of Thailand] Gem Testing Laboratory
-
GIT [Gem and Jewelry Institute of Thailand] Gem Testing Laboratory (2008) Rubies from a new deposit in Tanzania. www.git.or.th/ eng/eng-gem-and-jewelry- database/eng
-
(2008)
Rubies from a new deposit in Tanzania
-
-
-
13
-
-
17144403390
-
Oxygen isotope composition as a tracer for the origins of rubies and sapphires
-
Giuliani G., Fallick A.E., Garnier V., France-Lanord C., Ohnenstetter D., Schwarz D. (2005) Oxygen isotope composition as a tracer for the origins of rubies and sapphires. Geology, Vol. 33, pp. 249-252.
-
(2005)
Geology
, vol.33
, pp. 249-252
-
-
Giuliani, G.1
Fallick, A.E.2
Garnier, V.3
France-Lanord, C.4
Ohnenstetter, D.5
Schwarz, D.6
-
14
-
-
33947588567
-
Oxygen isotope systematics of gem corundum deposits in Madagascar: Relevance for their geological origin
-
Giuliani G., Fallick A.E., Rakotondrazafy M., Ohnenstetter D., Andriamamonjy A., Rakotosamizanany S., Ralantoarison Th., Razanatseheno M., Dunaigre Ch., Schwarz D. (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: Relevance for their geological origin. Mineralium Deposita, Vol. 42, pp. 251-270.
-
(2007)
Mineralium Deposita
, vol.42
, pp. 251-270
-
-
Giuliani, G.1
Fallick, A.E.2
Rakotondrazafy, M.3
Ohnenstetter, D.4
Andriamamonjy, A.5
Rakotosamizanany, S.6
Ralantoarison, T.7
Razanatseheno, M.8
Dunaigre, C.9
Schwarz, D.10
-
15
-
-
85036822078
-
-
Carl Winters Universitätsbuchhandlung, Heidelberg, Germany
-
Goldschmidt V. (1918) Atlas derKrystallformen, Vol. 5. Carl Winters Universitätsbuchhandlung, Heidelberg, Germany.
-
(1918)
Atlas derKrystallformen
, vol.5
-
-
Goldschmidt, V.1
-
16
-
-
0023088824
-
On corundum from Umba Valley, Tanzania
-
Hänni H. (1987) On corundum from Umba Valley, Tanzania. Journal of Gemmology, Vol. 20, No. 5, pp. 278-284.
-
(1987)
Journal of Gemmology
, vol.20
, Issue.5
, pp. 278-284
-
-
Hänni, H.1
-
17
-
-
33947602997
-
New rubies from the Morogoro area, Tanzania
-
Hänni H.A., Schmetzer K. (1991) New rubies from the Morogoro area, Tanzania. Gems & Gemology, Vol. 27, No. 3, pp. 156-167.
-
(1991)
Gems & Gemology
, vol.27
, Issue.3
, pp. 156-167
-
-
Hänni, H.A.1
Schmetzer, K.2
-
18
-
-
85036827468
-
New rubies from Tanzania
-
Hänni H., Krzemnicki M. (2008) New rubies from Tanzania. Gems & Jewellery, Vol. 17, No. 3, pp. 8-9.
-
(2008)
Gems & Jewellery
, vol.17
, Issue.3
, pp. 8-9
-
-
Hänni, H.1
Krzemnicki, M.2
-
19
-
-
23844494129
-
Pan-African high pressure granulites from SE- Kenya: Petrological and geothermobarometric evidence for polyphase evolution in the Mozambique Belt
-
Hauzenberger C.A., Bauernhofer A., Hoinkes G., Wallbrecher E., Mathu E. (2004) Pan-African high pressure granulites from SE- Kenya: Petrological and geothermobarometric evidence for polyphase evolution in the Mozambique Belt. Journal of African Earth Sciences, Vol. 40, pp. 245-268.
-
(2004)
Journal of African Earth Sciences
, vol.40
, pp. 245-268
-
-
Hauzenberger, C.A.1
Bauernhofer, A.2
Hoinkes, G.3
Wallbrecher, E.4
Mathu, E.5
-
20
-
-
33846198307
-
SHRIMP U-Pb zircon and Sm-Nd garnet ages from the granulite facies basement of SE-Kenya: Evidence for Neoproterozoic polycyclic assembly of the Mozambique belt
-
Hauzenberger C.A., Sommer H., Fritz H., Bauernhofer A., Kröner A., Hoinkes G., Wallbrecher E., Thöni M. (2007) SHRIMP U-Pb zircon and Sm-Nd garnet ages from the granulite facies basement of SE-Kenya: Evidence for Neoproterozoic polycyclic assembly of the Mozambique belt. Journal of the Geological Society, Vol. 164, pp. 189-201.
-
(2007)
Journal of the Geological Society
, vol.164
, pp. 189-201
-
-
Hauzenberger, C.A.1
Sommer, H.2
Fritz, H.3
Bauernhofer, A.4
Kröner, A.5
Hoinkes, G.6
Wallbrecher, E.7
Thöni, M.8
-
21
-
-
33947278117
-
Red and orange corundum (ruby and padparadscha) from Malawi
-
Henn U., Bank H., Bank F.H. (1990) Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, Vol. 22, No. 2, pp. 83-89.
-
(1990)
Journal of Gemmology
, vol.22
, Issue.2
, pp. 83-89
-
-
Henn, U.1
Bank, H.2
Bank, F.H.3
-
22
-
-
85036837315
-
-
Hughes R. (1997) Ruby and Sapphire. RWH Publishing, Boulder, CO. Krzemnicki M., Hanni H.A. (2008) New Tanzania mine uncovers source of exceptional rubies. InColor, Spring 2008, pp. 46-47.
-
Hughes R. (1997) Ruby and Sapphire. RWH Publishing, Boulder, CO. Krzemnicki M., Hanni H.A. (2008) New Tanzania mine uncovers source of exceptional rubies. InColor, Spring 2008, pp. 46-47.
-
-
-
-
23
-
-
84915479399
-
Ueber einige krystallographische Constanten des Korund.
-
Melczer G. (1902) Ueber einige krystallographische Constanten des Korund. Zeitschrift fur Krystallographie und Mineralogie, Vol. 35, pp. 561-581.
-
(1902)
Zeitschrift fur Krystallographie und Mineralogie
, vol.35
, pp. 561-581
-
-
Melczer, G.1
-
24
-
-
0033063973
-
Exotic origin of the ruby deposits of the Mangari area in SE Kenya
-
Mercier A., Debat P., Saul J.M. (1999) Exotic origin of the ruby deposits of the Mangari area in SE Kenya. Ore Geology Reviews, Vol. 14, pp. 83-104.
-
(1999)
Ore Geology Reviews
, vol.14
, pp. 83-104
-
-
Mercier, A.1
Debat, P.2
Saul, J.M.3
-
25
-
-
52849124006
-
The new Tunduru-Songea gem fields, southern Tanzania
-
Idar-Oberstein, Germany, September 27-October 3, pp
-
Milisenda C.C., Henn U., Bank H. (1997) The new Tunduru-Songea gem fields, southern Tanzania. 26th International Gemological Congress, Idar-Oberstein, Germany, September 27-October 3, pp. 37-39.
-
(1997)
26th International Gemological Congress
, pp. 37-39
-
-
Milisenda, C.C.1
Henn, U.2
Bank, H.3
-
26
-
-
0034325302
-
U-Pb dating of metamorphic minerals: Pan-African metamorphism and prolonged slow cooling of high pressure granulites in Tanzania, East Africa
-
Moeller A., Mezger K., Schenk V. (2000) U-Pb dating of metamorphic minerals: Pan-African metamorphism and prolonged slow cooling of high pressure granulites in Tanzania, East Africa. Precambrian Research, Vol. 104, pp. 123-146.
-
(2000)
Precambrian Research
, vol.104
, pp. 123-146
-
-
Moeller, A.1
Mezger, K.2
Schenk, V.3
-
28
-
-
85036829618
-
Tanzania, October 2007-A gemological safari
-
Pardieu V. (2007) Tanzania, October 2007-A gemological safari. Part 1: Ruby, sapphire, moonstone, spinels, tsavorite, alexandrite: Gems from Central and South Tanzania. www.fieldgemology.org.
-
(2007)
Ruby, sapphire, moonstone, spinels, tsavorite, alexandrite: Gems from Central and South Tanzania
, Issue.PART 1
-
-
Pardieu, V.1
-
30
-
-
0012216727
-
Rubies from Mong Hsu
-
Peretti A., Schmetzer K., Bernhardt H.-J., Mouawad F. (1995) Rubies from Mong Hsu. Gems & Gemology, Vol. 31, No. 1, pp. 2-26.
-
(1995)
Gems & Gemology
, vol.31
, Issue.1
, pp. 2-26
-
-
Peretti, A.1
Schmetzer, K.2
Bernhardt, H.-J.3
Mouawad, F.4
-
31
-
-
85036840586
-
New important ruby discovery in Tanzania: The Tanzanian "Winza"-(Dodoma province) rubies
-
April
-
Peretti A. (2008) New important ruby discovery in Tanzania: The Tanzanian "Winza"-(Dodoma province) rubies. Contributions to Gemmology, No. 7, April, www.gemresearch.ch/news/Tanzania/ Tanzania.htm
-
(2008)
Contributions to Gemmology
, Issue.7
-
-
Peretti, A.1
-
32
-
-
34548567074
-
Ga/Mg ratio as a new geochemical tool to differentiate magmatic from metamorphic blue sapphires
-
Peucat J.J., Ruffault P., Fritsch E., Bouhnik-Le Coz M., Simonet C., Lasnier B. (2007) Ga/Mg ratio as a new geochemical tool to differentiate magmatic from metamorphic blue sapphires. Lithos, Vol. 98, pp. 261-274.
-
(2007)
Lithos
, vol.98
, pp. 261-274
-
-
Peucat, J.J.1
Ruffault, P.2
Fritsch, E.3
Bouhnik-Le Coz, M.4
Simonet, C.5
Lasnier, B.6
-
33
-
-
17144400939
-
Chemical fingerprinting of some East African gem rubies by laser ablation ICP- MS
-
Rankin A.H., Greenwood J., Hargreaves D. (2003) Chemical fingerprinting of some East African gem rubies by laser ablation ICP- MS. Journal of Gemmology, Vol. 28, No. 8, pp. 473-482.
-
(2003)
Journal of Gemmology
, vol.28
, Issue.8
, pp. 473-482
-
-
Rankin, A.H.1
Greenwood, J.2
Hargreaves, D.3
-
34
-
-
85036843287
-
Trace and minor element contents in synthetic rubies from different manufacturers
-
Rio de Janeiro, Brazil, August 6-17
-
Schwarz D., Stern W., Zachovay M. (2000) Trace and minor element contents in synthetic rubies from different manufacturers. 31st International Geological Congress, Rio de Janeiro, Brazil, August 6-17.
-
(2000)
31st International Geological Congress
-
-
Schwarz, D.1
Stern, W.2
Zachovay, M.3
-
35
-
-
85036818045
-
Sapphires and rubies from the Ruvuma (Tunduru and Songea), Lindi (Liwale) and Mtwara (Mbekenyera) districts in southern Tanzania
-
Madrid, Spain, October
-
Schwarz D. (2001) Sapphires and rubies from the Ruvuma (Tunduru and Songea), Lindi (Liwale) and Mtwara (Mbekenyera) districts in southern Tanzania. 28th International Gemmological Congress, Madrid, Spain, October.
-
(2001)
28th International Gemmological Congress
-
-
Schwarz, D.1
-
36
-
-
67649478279
-
An expedition to Tanzania's new ruby deposits in Winza
-
Spring
-
Senoble J.B. (2008) An expedition to Tanzania's new ruby deposits in Winza. InColor, Spring 2008, pp. 42-43.
-
(2008)
InColor
, pp. 42-43
-
-
Senoble, J.B.1
-
37
-
-
0025207265
-
A laser-based microanalytical method for the in- situ determination of oxygen isotope ratios of silicates and oxides
-
Sharp Z.D. (1990) A laser-based microanalytical method for the in- situ determination of oxygen isotope ratios of silicates and oxides. Geochimica et Cosmochimica Acta, Vol. 54, pp. 1353-1357.
-
(1990)
Geochimica et Cosmochimica Acta
, vol.54
, pp. 1353-1357
-
-
Sharp, Z.D.1
-
38
-
-
85036814275
-
-
Simonet C. (2000) Géologie des gisements de saphir et de rubis. L'exemple de la John Saul mine, Mangari, Kenya. Ph.D. dissertation, University of Nantes, France.
-
Simonet C. (2000) Géologie des gisements de saphir et de rubis. L'exemple de la John Saul mine, Mangari, Kenya. Ph.D. dissertation, University of Nantes, France.
-
-
-
-
39
-
-
85010670438
-
Infrared spectra of gem corundum
-
Smith C.P., Van der Bogert C. (2006) Infrared spectra of gem corundum. Gems & Gemology, Vol. 42, No. 3, pp. 92-93.
-
(2006)
Gems & Gemology
, vol.42
, Issue.3
, pp. 92-93
-
-
Smith, C.P.1
Van der Bogert, C.2
-
40
-
-
77958529885
-
Inside rubies
-
31, No. 47, pp
-
Smith C.P., Beesley C.R., Quinn Darenius E., Mayerson W.M. (2008) Inside rubies. Rapaport Diamond Report, Vol. 31, No. 47, pp. 140-148.
-
(2008)
Rapaport Diamond Report
, pp. 140-148
-
-
Smith, C.P.1
Beesley, C.R.2
Quinn Darenius, E.3
Mayerson, W.M.4
-
41
-
-
30944456907
-
Reworking of Archaean and Palaeoproterozoic crust in the Mozambique Belt of central Tanzania as documented by SHRIMP zircon geochronology
-
Sommer H., Kröner A., Hauzenberger C.A., Muhongo S. (2005) Reworking of Archaean and Palaeoproterozoic crust in the Mozambique Belt of central Tanzania as documented by SHRIMP zircon geochronology. Journal of African Earth Science, Vol. 43, pp. 447-463.
-
(2005)
Journal of African Earth Science
, vol.43
, pp. 447-463
-
-
Sommer, H.1
Kröner, A.2
Hauzenberger, C.A.3
Muhongo, S.4
-
42
-
-
85036826579
-
New rubies from Tanzania
-
SSEF Swiss Gemmological Institute , May
-
SSEF Swiss Gemmological Institute (2008) New rubies from Tanzania. SSEF Newsletter, May www.ssef.ch/en/news/news-pdf/SSEFnewsletter- may08.pdf.
-
(2008)
SSEF Newsletter
-
-
|