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  3. शंख (Shell)
Title

शंख (Shell)

4.5/5(Based on 1 heritage site)
Rare

Śaṅkha

Shell

4.5/5(Based on 1 heritage site)
Descriptionशंख (Śaṅkha, Shell) is a biogenic material primarily composed of calcium carbonate (CaCO3) [1]. Its geological origin lies in marine environments, yielding shells with >95% CaCO3, a density of 2.7-2.9 g/cm³, and a Mohs hardness of 3.0-3.5. Traditionally, शंख (Śaṅkha) was crucial in lime production (चूना, Chuna) via calcination for mortar and plaster. As कौड़ी (Kauḍī), smaller shells served as currency and ornamentation. In Indic heritage architecture, particularly during the Chola and Pandya dynasties, शंख (Śaṅkha) fragments were incorporated into mortar aggregates, enhancing workability and potentially reducing shrinkage. शैल (Śaila) was also used for decorative inlay work (जड़ाऊ काम, Jaṛā'ū Kām) and ornamentation. Coastal regions of India served as primary sources. Conservation necessitates understanding शंख (Śaṅkha)'s susceptibility to acid rain and salt weathering. Restoration efforts require compatible lime-based mortars. Traditional knowledge systems (शिल्प शास्त्र, Śilpa Śāstra) offer insights into appropriate processing and application techniques for preserving heritage structures.
Also Known As
Shell
Śaṅkha
Shell
Seashell
Conch Shell
शंख
कौड़ी
समुद्री शंख
शैल
Tags
Shankha
Shell
Calcium Carbonate
Lime
Ornamentation
Coastal Construction
Material ID
INHFMAT-517074165-20-11-25-SK
URIhttps://www.inheritage.foundation/aat/material/shell
API Endpoint
https://inheritage.foundation/api/v1/aat/materials/shell
Total Sites1
Primary Sites0
CreatedNovember 20, 2025
Last UpdatedNovember 28, 2025

External References

View on Getty AAT

Material Types

Types
Organic Material
Calcium Carbonate
Marine Resource

Regions

Regions
Coastal India

Historical Context

Time Periods
Ancient
Medieval
Dynasties
Chola Dynasty
Pandya Dynasty

Geographic Sources

Sources
Coastal Areas
Seabeds

Properties

Properties
Calcium Carbonate Content: >95%
Density: 2.7-2.9 g/cm³
Hardness: 3.0-3.5 Mohs
Porosity: Variable

Common Uses

Uses
Lime Production
Decorative Elements
Ornamentation
Inlay Work
Mortar Aggregate

Related Materials

Materials
Chuna (Lime Mortar)
Stone

Related Styles

Styles
Coastal Architecture
Temple Architecture

Related Categories

Categories
Temple
Residential

Conservation Notes

Notes
  • Susceptible to Acid Rain
  • Requires Careful Cleaning
  • Vulnerable to Mechanical Damage

Recommended Sources

TitleTypeNotes
Use of Shells in Traditional Indian ConstructionTechnical ReportShell properties and uses

Heritage Sites (1)

Site NameStatusUsageConfidence
Rama Mandir Lunglei
Secondary
100%

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