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Gondite identification and geology

Manganese-rich metamorphic rock composed mainly of spessartine garnet and quartz. Important manganese ore. Texture: Granoblastic. Rock type: Metamorphic. Grain size: Medium. Parent rock: Manganese-rich sediment. Minerals present: Spessartine, Quartz, Rhodonite, Rhodochrosite. Formation: Forms from metamorphism of manganese-rich chemical sediments. Common geological settings: India Gondwana region , Brazil, Ghana; found in metamorphosed manganese deposits. Common look-alikes and related entries: Garnet Schist, Rhodonite rock, BIF.

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Sources, scope & corrections

These authoritative resources support category-level nomenclature, terminology, identification methods, and safety. When a specimen-specific safety warning appears, the public-health source listed here directly supports that precaution. They are not line-by-line citations for every other property on this entry, and natural specimens vary.

Editorial owner
GeoMiner
Last updated
2026-02-10T20:36:47.803468+00:00
Review status
Published; not independently peer-reviewed
  • Rocks — U.S. National Park Service. Authoritative overview of rock groups, the rock cycle, and geologic processes.
  • Can you identify my rock or mineral? — U.S. Geological Survey. Identification limitations and routes to in-person professional verification.

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Common questions

What is Gondite?
Manganese-rich metamorphic rock composed mainly of spessartine garnet and quartz. Important manganese ore.
How can you identify Gondite?
Compare several properties rather than relying on colour alone. This entry records rock type: Metamorphic; texture: Granoblastic; grain size: Medium; common minerals: Spessartine, Quartz, Rhodonite, Rhodochrosite. Confirm an important identification with additional field tests or qualified laboratory work.
How does Gondite form?
Forms from metamorphism of manganese-rich chemical sediments.
Where is Gondite commonly found?
India Gondwana region , Brazil, Ghana; found in metamorphosed manganese deposits.
What is Gondite commonly confused with?
Gondite may be confused with Garnet Schist, Rhodonite rock, BIF. Compare multiple diagnostic properties because colour and surface appearance can overlap.

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