Where is Rubellite in Quartz found?
Rubellite (a variety of Elbaite Tourmaline) in Quartz
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Open the appRubellite in Quartz 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 Rubellite in Quartz
Minas Gerais, Brazil
Renowned for producing high-quality rubellite tourmaline, often found in pegmatite deposits, including specimens within quartz.
Pala, San Diego County, California, USA
Historically significant for its pegmatite mines, yielding various tourmaline varieties, including rubellite, sometimes in quartz.
Afghanistan and Pakistan
Known for producing fine tourmaline specimens from pegmatite occurrences, including rubellite, which can be found associated with quartz.
Madagascar
A significant source of various gemstones, including tourmaline, with pegmatite deposits yielding rubellite in quartz.
Mogok, Myanmar (Burma)
Famous for its gem deposits, including tourmaline, where rubellite can be found in association with quartz in pegmatitic or metamorphic environments.
Collecting tips
- Target Pegmatite Localities. Focus your search on areas known for granitic pegmatites, as these are the primary geological environments for rubellite formation.
- Look for Outcrops and Dumps. Examine pegmatite outcrops and mine dumps for signs of tourmaline and quartz. Weathering can expose these minerals.
- Identify Associated Minerals. Rubellite in quartz often occurs with other pegmatite minerals such as feldspar, mica (lepidolite, muscovite), beryl, and spodumene. The presence of these minerals can indicate a promising locality.
- Check for Color and Crystal Form. Look for the characteristic pink to red color of rubellite and the prismatic crystal habit, often embedded within clear or milky quartz.
Quick Check
- Color:
- Pink to red rubellite inclusions in colorless to white or smoky quartz.
- Luster:
- Vitreous to resinous for rubellite; vitreous for quartz.
- Streak:
- White for both rubellite and quartz.
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