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Home » Regional » Africa » Madagascar Madagascar
This category contains links to web sites about Madagascar - including businesses and organisations within Madagascar, and links to information and news from external sources.
Sub-Categories:
| Up Close and Personal - Travel and cultural information, maps.
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| | Clark Atlanta University - University of Toamasina partnership - Information on a development project promoting linkage between these two universities.
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| | CIA Factbook - Madagascar - Features map and brief descriptions of geography, economy, government, and people.
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| | A Country Study - Country profile, history, geography, economy, politics.
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| | FOC Country Profile - Madagascar - Notes on geography, history, politics, economy, international relations, travel, current affairs.
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| | BBC Country Profile - Madagascar - Key facts, figures and dates, media links.
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Articles in this category:
- Madagascar Amethyst - ( SiO2 ) © 2004 gggems.com All rights reserved.
(Variety of Quartz)
· Crystallographic properties:
Trigonal System (Subdivision of the hexagonal system)
Quartz forms hexagonal prisms at the blunted ends and the head
finishing in h... - Madagascar Tourmaline - © 2004 gggems.com All rights reserved.
(Na, Li,Ca) (Fe2, Mg, Mn, Al)3 Al6 I(OH)4 I (BO3)3ISi6O18I
· Crystallographic properties: Trigonal.
Hardness 7 - 7.5
Density 3.02 to 3.26
Refractive index: 1.62 - 1.64
· Ch... - Madagascar Garnets - © 2004 gggems.com All rights reserved.
Crystalline System: cubic.
Red - violetish: Hardness Density Ref.Index
Pyrope Mg3Al2Si3O12 7,25 3,58 g / cm3 1,714
Almandine Fe3Al2Si3O12 7,50 4,32 1,830
Rhodolite Mg,Fe3Al2SiO12 7,25 3,... - Madagascar gem safari - © 2004 gggems.com All rights reserved.
MADAGASCAR GEM SAFARI 2
Sapphire from Maromby in a metamorphic limestone. ( Andranondambo area.)
Looking for sapphire on the ground in 1992.
Sapphires from Andranondambo, discove... - Madagascar Movie Review - Madagascar is an animated comic adventure from PDI/DreamWorks about a bunch of zoo animals returned to the wild. A lion, a zebra, a giraffe and a hippo are best friends who have spent their entire lives in New York\'s Central Park Zoo. The civilized New
- Ilakaka Madagascar ( Sapphire rush ) - ...
- Ilakaka Madagascar ( Sapphire rush ) - © 2004 gggems.com All rights reserved.
ILAKAKA
· The plateau of Ilakaka in 1992.
Ilakaka is located on the road to Tulear,
south-west of Madagascar. The discovery of
sapphire in the current of 1998 transformed the ar... - Andranondambo Sapphire discovery ( Madagascar ) - ...
- Andranondambo Sapphire discovery ( Madagascar ) - © 2004 gggems.com All rights reserved.
Tranomaro in 1991 >>
Geographical division
We will distinguish:
1 the volcanic solid mass of
Androy, it is covered with
thorny bush and meadows.
2 the gneissic zone of to <... - Madagascar corundums ( Sapphire & Ruby discovery ) - © 2004 gggems.com All rights reserved.
AL2O3
Sapphire found in a metamorphized limestone.
· Crystallographic properties of corundum:
Trigonal.c = 1,3630 pp 0 86°4' ; pa1 = 122°26'
Macle according to p (1011), often po... |