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| A Huge
transparent spessartite crystal that I purchased during my first |
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trip there. It was
found in Ambohimarangitra and weighted 113 grams. > |
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| The
deposit of spessartite is lying behind the
hill of Ambohimarangitra.
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This deposit
is exploited in alluvium and is located in
the geological system |
| called "Vohibory",
composed
mainly of gneiss with amphibole and of green |
| schists, the
precious
orange garnets result
likely from sodolitic pegmatites. |
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| The
first quotations of spessarites in the area were made by the geologist |
|
Henri Besairie
in 1946. |
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| The
French colonists exploited gold and garnet in the Besafotra
river |
| between
Ankaboka
and Ambohimarangitra, place located 25 kilometers |
| from the nearest village. |
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| The spessartite
remained forgotten until 1996, date on which it was |
| extracted from the river and the
adjacent grounds to provide the |
| international market temporarily. |
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