| Title | चक्की का पत्थर (Chakki Patthar (Chakri Stone))Rare Cakkī kā patthar Chakki Patthar (Chakri Stone) |
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| Description | Chakki Patthar (चक्की पत्थर), also known as Ghatti ka Patthar (घट्टी का पत्थर) or Ashma Chakki (अश्म चक्की), is a traditional Indic construction material, primarily quartzite or sandstone, employed for milling grains and spices. Its geological origin within the Indian subcontinent yields a material with high abrasion resistance, essential for its function. The Mohs hardness scale registers between 6 and 7, with a specific gravity of 2.6-2.7. The coarse grain size contributes to its grinding efficacy [1]. Historically, Chakki Patthar was sourced from regional quarries, notably in Rajasthan, Gujarat, and Maharashtra. Traditional processing involved shaping the stone into circular burins (stone burins) [1]. Dynasties throughout ancient and medieval periods utilized this Paashana Chakki (पाषाण चक्की). Conservation efforts at heritage sites necessitate careful assessment of the stone's degradation due to weathering and usage. Restoration often involves sourcing comparable stone from original quarry locations to maintain material compatibility and authenticity. Durability depends on the specific mineral composition and environmental exposure. |
| Also Known As | Chakki Patthar (Chakri Stone) Cakkī kā patthar Grinding Stone Millstone Quern Stone Chakki Stone Chakri Stone चक्की पत्थर घट्टी का पत्थर पीसने का पत्थर अश्म चक्की पाषाण चक्की |
| Tags | Chakki Patthar Millstone Grinding Abrasion Quartzite |
| Material ID | INHFMAT-700954012-20-11-25-CH |
| URI | https://www.inheritage.foundation/aat/material/chakri-stone |
| API Endpoint | https://www.inheritage.foundation/api/v1/aat/materials/chakri-stone |
| Total Sites | 1 |
| Primary Sites | 1 |
| Created | November 20, 2025 |
| Last Updated | November 28, 2025 |
| Types | Quartzite Sandstone |
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| Regions | Rajasthan Gujarat Maharashtra |
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| Time Periods | Ancient Medieval |
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| Sources | Riverbeds Quarries in Rajasthan |
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| Properties | High abrasion resistance Hardness (Mohs 6-7) Specific gravity: 2.6-2.7 Coarse grain size |
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| Uses | Grinding grains Milling spices |
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| Materials | Wood (for frame) Iron (for axles) |
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| Styles | Rural Traditional Indian |
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| Categories | Domestic architecture Agricultural structures |
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| Notes |
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| Site Name | Status | Usage | Confidence |
|---|---|---|---|
| Ranakpur Jain Temple Ranakpur | Primary | 100% |