mineral
Banded Calcite
Calcite (Calcium Carbonate, CaCO3)
AI-generated identification · may be incorrectHardness: 3 on Mohs scale. Color: Pale yellow, creamy white with tan/grey bands. Luster: Vitreous to waxy. Crystal Structure: Trigonal. Cleavage: Perfect rhombohedral. Specific Gravity: 2.71.
- Hardness
- 3 on Mohs scale
- Color
- Pale yellow, creamy white with tan/grey bands
- Luster
- Vitreous to waxy
Identified More mineral →
Explore Banded Calcite in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness: 3 on Mohs scale. Color: Pale yellow, creamy white with tan/grey bands. Luster: Vitreous to waxy. Crystal Structure: Trigonal. Cleavage: Perfect rhombohedral. Specific Gravity: 2.71.
Formation & geological history
Formed through chemical precipitation from calcium-rich solutions in sedimentary environments like caves (stalactites/stalagmites) or hot springs (travertine). Common in various geological ages ranging from Precambrian to Holocene.
Uses & applications
Used primarily for ornamental purposes, lapidary carvings, metaphysical collecting, and as a source of lime in chemical industries. High-grade specimens are used in jewelry as cabochons.
Geological facts
Calcite will react and fizz (effervesce) when it comes into contact with a weak acid like vinegar. It is one of the most common minerals on Earth's crust and is the main component of limestone and marble.
Field identification & locations
Identify by its relative softness (scratched by a copper penny or steel knife) and rhombohedral cleavage. Look for distinctive banding patterns associated with layered growth. Commonly found in Mexico, Brazil, and the USA.
