 | | Report (issue) | | MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY NAMIBIA 1990 Open File Report JVIRS04 2 Abstract Corundum...Metamorphic Complex. Past production of corundum in Namibia was limited to about 100 t from Sandamap in Damaraland...Damaraland and Karibib District 2. Omaruru District 3. Windhoek District 4. Karasburg District 5. References...Only a few occurrences of corundum are known in Namibia (Figure 1). They are all limited in size and have...Sandamap pegrnatite, some 8 km south west of the farm house (pers. comm. S. Pieters). 2. Omaruru District |  | | Journal (article/letter/editorial) | | 36849 cookrob@auburn.edu Kyanite Downloaded by [Laurentian University] at 02:10 27 October 2013 Minas Gerais...times quite beautiful rock-forming minerals is kyanite. It is one of a triad of aluminosilicates that...and described from many hundreds of localities, kyanite is particularly well known as a valuable industrial...especially familiar to collectors because the kyanite-rich “quartzite” once exploited at Graves Mountain...2008). Surprisingly attractive, reasonably priced kyanite specimens are traditionally available from several |  | | Book | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...People- Mineralogists,Geologistsand Collectors 21 27 29 37 Minerallocalities The North TsumebSpecial...Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | | Book | | REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY THE MINERAL RESOURCES OF NAMIBIA FIRST...ENERGY Of the several hundred minerals present in Namibia, around sixty have been exploited. some, such as...base metals and industrial minerals have helped Namibia rank amongst the top five mining countries in Africa...terms of production and reserves. In this context, Namibia is a major producer of copper, lead, zinc, cadmium...unpublished. It is evident that mineral exploration in Namibia, as elsewhere. has changed from serendipitous discoveries |  | | Report (issue) | | RESOURCES DIVISION SILLI ANITE Andalusite, Kyanite, Sillimanite By E. R. VARLEY, Ph.D. (Lond.), B...the principal members of which are andalusite, kyanite and sillimanite, all with the formula Al 2O 3 ...formula 3Al 20 3 .2Si02• On calcination, andalusite, kyanite and sillimanite alter to mullite and silica. Topaz...somewhat analogous state of affairs and the term kyanite includes andalusite, dumortierite, sillimanite...proper, kyanite and sillimanite. The Sillimanite Minerals The chief properties of andalusite, kyanite, sillimanite |
|
