Where is Garnet with Epidote found?
Garnet group mineral (e.g., Almandine, Andradite) with Epidote
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Open the appGarnet with Epidote 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 Garnet with Epidote
Adirondack Mountains, New York, USA
Known for large almandine garnets in metamorphic rocks, often associated with epidote in amphibolites and gneisses.
Prince of Wales Island, Alaska, USA
Famous for epidote crystals, sometimes found with garnet in skarn deposits.
Serifos Island, Greece
Renowned for exceptional epidote crystals, often in association with garnet in contact metamorphic settings.
Pakistan and Afghanistan
Various localities produce high-quality garnets (e.g., Spessartine, Almandine) and epidote, often from metamorphic terrains.
Norway
Numerous metamorphic localities yield garnet and epidote in various rock types.
Collecting tips
- Target Metamorphic Terrains. Focus on areas with known regional or contact metamorphism, especially those with calc-silicate rocks, amphibolites, or skarns.
- Look for Distinct Colors and Forms. Identify the characteristic red/brown/green of garnet and the pistachio-green of epidote. Look for their typical crystal habits (dodecahedra/trapezohedra for garnet, prisms for epidote).
- Check for Associated Minerals. Garnet and epidote often occur with quartz, calcite, amphiboles (e.g., hornblende), pyroxenes, and feldspars. The presence of these can indicate a favorable environment.
- Examine Outcrops and Talus Slopes. Look for exposures of metamorphic rocks. Weathering can sometimes concentrate heavier minerals like garnet in stream beds or talus slopes below outcrops.
Quick Check
- Color:
- Garnet: Variable (red, brown, green, etc.). Epidote: Pistachio-green to yellowish-green.
- Luster:
- Garnet: Vitreous to resinous. Epidote: Vitreous.
- Streak:
- Garnet: White. Epidote: White to grayish-white.
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