Blue Agate Geode Half - 3.7 x 3.4 inch

The smallest piece in this consignment, this Blue Agate Geode Half is built from tight concentric rings that run from a near-black outer edge through narrow blue and white layers to a small pale centre no larger than a thumbprint. The compression of so many bands into a compact face gives it an intricate, almost engraved quality, with each ring clearly separate from its neighbours. The polish is high and the dark rim holds a strong defined outline. It stands on a flat cut base and sits easily in one hand.

Banded Agate is traditionally associated with balance and harmony, and secondarily with grounding and protection. Small specimens of this kind are often kept close at hand rather than displayed at distance, on a desk, windowsill, or bedside table where the detail can actually be seen. Agate at this scale is also among the more portable geode formats, and pieces like this are commonly the first substantial specimen someone buys or a gift where a large stone would be impractical.

Key Properties
Primary Focus: Balance & Harmony
Secondary Focus: Protection & Grounding
Chakra Association: Root, Sacral
Zodiac Sign: Gemini, Virgo
Chinese Zodiac: Tiger, Rooster
Ruling Planet: Mercury
Elements: Earth, Fire
Mohs Hardness: 7
Stone Family: Tectosilicate
Material: Banded Agate
Origin: Brazil
Form: Geode / Cluster
Finish: Polished
Approximate Size: 94 mm (3.7 inches) H x 87 mm (3.4 inches) W
Approximate Weight: 530 g
Listing: Single unit

Geological Information
Banded Agate is microcrystalline quartz, silicon dioxide at Mohs 7, a chalcedony variety formed by repeated silica deposition within a cavity in host rock. A small vesicle fills to completion far more readily than a large one, which is why compact geodes like this frequently show the entire depositional sequence compressed into a narrow span, with the cavity almost closed at the centre; larger voids often exhaust their fluid supply before reaching that point and are left with substantial open space. Each visible ring here still represents a separate deposition event, simply recorded across a shorter distance. Agate is a banded variety of chalcedony within the quartz family, formed through successive layers of silica deposited within a cavity over time. It is common industry practice for coloured agate to be dyed or otherwise colour-enhanced to achieve vivid, saturated tones. Agate is among the oldest documented gemstones in human use, named by Theophrastus after the Achates River in Sicily. Sources include Brazil, India, the USA, Mexico and Germany, with this piece from Brazil.

AuturaSol Standard
Each natural stone is selected for its authenticity, geological integrity, and energetic clarity. Natural variations in colour, structure, inclusions, and surface features are inherent to geological materials and contribute to the individuality of each piece. Any known treatments, enhancements, stabilization, or man-made characteristics are clearly disclosed within the product information where applicable. Every piece is inspected and photographed to reflect its true character; however, lighting conditions, screen settings, and natural variation may cause slight differences in appearance. If you have any questions about a piece before completing your purchase, we're always here to help. Where authenticity meets beauty, we tell you exactly what you're holding.