Classification
Mineral names, chemical formula, IMA symbol, group, Strunz and Dana classification.
Open Scientific Crystal Repository
Crystal & Mineral Database
Explore structured mineral records with searchable names, formulas and IMA symbols, plus filters for color, hardness, origin and wearability.
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About the database
Mineral facts in a consistent structure
Crystals.rocks is an open crystal and mineral reference designed for clear comparison and practical research.
Each mineral profile brings classification, crystal structure, physical properties, optical behavior, geological occurrence and safety information together in one readable record. Search is tuned for mineral names, alternative names, chemical formulas and IMA symbols.
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What each record covers
From identification to occurrence
Crystal structure
Crystal habit, class, space group, unit-cell parameters, faces and twinning.
Physical properties
Color, luster, streak, transparency, Mohs hardness, cleavage, fracture and density.
Optical properties
Refractive index, birefringence, dispersion, pleochroism, fluorescence and spectra.
Origin & formation
Geological setting, paragenesis, associated minerals, type locality and major sources.
Use & safety
Wearability, varieties, related minerals, health considerations and handling notes.
Open reference commitment
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Built for objective crystal research
The database is organized as an educational geological reference for students, researchers, collectors and crystal enthusiasts. Records focus on mineralogical evidence and transparent, comparable attributes.
Complete mineral collection
Refine the database by name, color, wearability, hardness and country of origin.