Moss Agate round cabochon, 11×4 mm. Translucent to semi-opaque chalcedony base with green metallic oxide inclusions forming dendritic patterns unique to each piece.
Piece information
| Mineral |
Moss Agate (chalcedony SiO₂ with metallic oxide inclusions) |
| Dimensions |
Diameter 11 mm × 4 mm thick |
| Shape and back |
Round, flat back |
| Finish |
Mirror polish |
| Hardness |
6.5–7 Mohs — suitable for everyday rings with protective setting |
| Origin |
Material acquired from wholesale lapidary market |
| Treatment |
Untreated |
| Type of piece |
Unique piece |
This specific piece
The green inclusions in this cabochon form a dendritic pattern — branched like a lichen or a plant — which is characteristic of moss agate. The chalcedony base has variable translucency: clearer in areas without inclusions, more opaque where oxides are concentrated. The exact pattern of each piece is unrepeatable.
How Moss Agate inclusions are formed
Moss agate does not contain real moss. The green inclusions are precipitates of iron oxides, chlorite, or other secondary minerals that were deposited within the chalcedony while it was still crystallizing. Chalcedony (microcrystalline silicon dioxide) forms cavities in volcanic rocks or in hydrothermal veins; if solutions containing iron, manganese, or chromium are present during this process, they form the filaments that observers visually associate with plants or mosses.
For which setting it works
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925 silver bezel rings — the 11 mm round format fits any standard circular bezel. The hardness of 6.5–7 Mohs is suitable for everyday wear with side protection; a low bezel (1–1.5 mm) is sufficient for a minimalist ring.
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Pendants with circular silver setting — a silver circle around this cabochon creates a clean pendant where the dendritic pattern is the sole protagonist.
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Wire wrap — the circular profile and flat back facilitate wrapping. With fine silver wire, the organic pattern of the stone and the wire wrapping visually complement each other.
Moss Agate in lapidary tradition
Agate is one of the oldest lapidary materials in the world: agate beads appear in Upper Paleolithic sites in Europe and the Near East, and it was used by Sumerians, Egyptians, and Greeks in cylinder seals as well as jewelry. Moss agate, with its plant-like patterns, was especially valued in the 19th century by Victorian collectors who called it the "fairy garden stone." In contemporary crystal tradition, it is associated with growth, connection to nature, and balance, being one of the most used stones in botanical jewelry.
The symbolic properties attributed to minerals belong to cultural and historical traditions. They are shared for educational purposes, not as medical advice or a substitute for professional care.
How to recognize genuine Moss Agate
Genuine moss agate has inclusions that are seen deep within the stone, not on the surface. If the "inclusions" are only surface paintings, they are imitations. Under magnification, the filaments are three-dimensional and have diffuse edges — they are not flat lines.
Frequently asked questions
Has the moss agate been treated or dyed?
No. The green inclusions are natural — metallic oxides formed during the crystallization of the chalcedony. No detectable treatment. Statement based on lapidary observation; the piece does not include formal gemological certification.
Is this piece translucent?
Partially. The chalcedony base is translucent in areas without inclusions; where green oxides are concentrated, the piece becomes opaque.
Is the dendritic pattern the same in all pieces?
No. Each cabochon has its unique and unrepeatable inclusion pattern. The dimensions are fixed (11×4 mm with a tolerance of ±0.5 mm), but the mineral design varies.
Is it suitable for an everyday ring?
Yes. With 6.5–7 Mohs and a bezel or prong setting that protects the back, moss agate is durable enough for an everyday ring. Avoid direct impacts on the stone.
See also: cut cabochons · full lapidary collection.
