Where is Ruby in Fuchsite found?
Corundum (Ruby) in Fuchsite (Chromian Muscovite)
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Open the appRuby in Fuchsite occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.
Where to find Ruby in Fuchsite
Tanzania
One of the primary sources, particularly in the Manyara Region, where it is often found in association with other metamorphic minerals.
India
Significant deposits are found in various states, including Karnataka and Andhra Pradesh, often in ancient metamorphic terrains.
Brazil
Known for occurrences in Minas Gerais and other regions with similar geological settings.
Russia
Found in certain Ural Mountains localities.
Pakistan
Reported occurrences in metamorphic belts.
Collecting tips
- Look for Green and Red Contrast. The most distinctive feature is the vibrant green matrix with embedded red crystals. This color combination is a strong indicator.
- Check for Mica Sheen. The fuchsite component will give the rock a characteristic pearly or metallic sheen, especially on freshly broken surfaces or polished areas.
- Test Hardness. Ruby is very hard (9 on Mohs scale), while fuchsite is much softer (2.5-3). This difference can be felt when scratching or carving, though care should be taken not to damage specimens.
- Examine Crystal Habit. Look for the characteristic hexagonal or anhedral forms of ruby crystals within the micaceous matrix.
- Geological Context. Search in areas known for regional metamorphism of ultramafic rocks, particularly those with chromium mineralization.
Quick Check
- Color:
- Green with red inclusions
- Luster:
- Pearly to vitreous (fuchsite), vitreous to adamantine (ruby)
- Streak:
- White (fuchsite), white (ruby)
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