Description
Each 3-inch A-grade agate heart is hand-shaped and polished from fine-banded chalcedony, revealing delicate rings of gray, cream, brown, and rose tones. The smooth, mirror-like finish enhances color depth and translucence. Every piece displays distinct band patterns formed naturally over millennia, making each heart a unique expression of geological art and craftsmanship.
Geological Background
Agate is a microcrystalline variety of quartz known for its rhythmic banding and exceptional durability. It forms within volcanic cavities when silica-rich solutions deposit layer after layer of chalcedony. Trace iron and manganese create its subtle color variations. High-grade specimens like these are sourced from Brazil and Madagascar, where lava flows produced ideal conditions for agate growth.
| Property | Value |
|---|---|
| Mineral Class | Silicate (Chalcedony – Quartz Group) |
| Chemical Formula | SiO₂ |
| Crystal System | Trigonal (Microcrystalline) |
| Mohs Hardness | 6.5 – 7 |
| Locality / Formation Type | Volcanic geode cavity – Brazil / Madagascar deposits |
History & Cultural Context
Heart-shaped agate carvings have been traded for centuries as symbols of affection and connection to Earth. Ancient artisans valued agate for its strength and color contrast, using it in amulets and decorative art throughout the Roman and Byzantine eras. Modern lapidarists continue that tradition, transforming natural agate into elegant sculptural forms.
Aesthetic & Collector Evaluation
The A-grade designation indicates superior color contrast, fine grain, and high-polish finish. The heart’s gentle symmetry and banded transparency make it an ideal display piece for mineral collectors, energy workers, or interior stylists seeking organic texture.
Metaphysical Notes
Agate is known for its grounding and balancing qualities. Carved in the shape of a heart, it symbolizes emotional stability and unconditional love — a fusion of geological strength and human meaning.
Care & Handling
Clean with a soft dry cloth. Avoid chemical cleaners and prolonged sunlight to preserve color. Store on a padded surface to prevent scratching of the polish.









