Moss agate cabochon in a round shape, approximately 15 mm in diameter and 4 mm high, hand-cut in our lapidary workshop. Freeform, uncalibrated. The face features a dendritic pattern of green inclusions in a translucent base.
Item Specifications
| Mineral |
Moss Agate (chalcedony with dendritic inclusions) |
| Dimensions |
Ø ≈ 15 mm · 4 mm high |
| Shape and Back |
Round, freeform, flat back |
| Finish |
Mirror polish |
| Hardness |
6.5–7 Mohs — we recommend bezel setting |
| Origin |
Material purchased from a wholesale lapidary market |
| Treatment |
Untreated |
| Item Type |
Unique piece |
This specific piece
With a diameter of 15 mm, this round moss agate piece is sized to fit directly into medium-sized statement rings and pendants with open circular settings. The 4 mm height provides enough volume for a solid bezel grip without raising the stone excessively above the metal plane.
The dendritic pattern shows inclusions distributed in the central area with natural asymmetry — the lapidary positioned the cut to center the densest "garden" area on the main viewing axis. The result is a compact botanical "portrait" within the cabochon's circle.
How moss agate gardens are formed
Moss agate is microcrystalline chalcedony (SiO₂) with inclusions of manganese oxides, iron, or chlorite that grew in dendritic forms within translucent quartz. The result is a unique, three-dimensional mineral garden trapped in rock. Each lapidary cut exposes a different section of that growth; that's why no two cabochons have the same pattern.
For which setting types it works
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Bezel setting (sterling silver or other precious metals) — round is the most versatile shape for a circular bezel. 15 mm is the standard size for rings with a prominent stone. The 6.5–7 hardness allows for bezel work without friability.
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Medium-sized statement rings — the diameter fits into settings between 15 and 16 mm, available in most jewelry findings catalogs.
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Wire wrap — round shapes allow for perimeter wraps with a continuous spiral that follows the contour of the cabochon.
Moss agate in lapidary tradition
Stones with internal plant patterns were considered special for containing "a garden within the rock." Dendritic chalcedonies appear in 16th-century curiosity cabinet collections and in naturalists' writings as a rarity sought after for both its beauty and its mineralogical mystery.
In crystal tradition, moss agate is associated with patience and steady work — the stone of the artisan who polishes until the material reveals what it has to say.
The symbolic properties attributed to minerals belong to cultural and historical traditions. They are shared for educational purposes, not as medical advice.
How to recognize genuine moss agate
Authentic inclusions are three-dimensional: viewed from different angles, the branches appear at different depths within the cabochon. The translucent background allows diffused light to pass through. Imitations in glass or tinted resin have flat inclusions, uniform edges, and lack the micro-sheen of polished chalcedony.
Frequently Asked Questions
Is the stone color-treated?
No detectable treatment. The green hues come from the original mineral inclusions. Statement based on lapidary observation; does not include formal gemological certification.
Is it suitable for a ring or only a pendant?
For both. A 15 mm round is the standard size for a round statement ring; for a pendant, it fits into 15–16 mm circular bezel settings. The 6.5–7 hardness makes it suitable for ring wear with normal care.
How should it be cared for?
Soft damp cloth for daily cleaning. Avoid ultrasonic cleaners and steam in settings with adhesives. See the complete guide at jewelry care.
Are the dimensions exact?
The tolerance is ±0.5 mm due to being hand-cut in a freeform shape. The diameter varies between 14.5 and 15.5 mm depending on the measured axis.
More about this mineral: properties and uses of moss agate. See also: lapidary collection · all cabochons.
