Round Moss Agate cabochon, 11×4 mm. Translucent to semi-opaque chalcedony base with green metallic oxide inclusions forming dendritic patterns unique to each piece. Hand-cut in our lapidary workshop.
Piece details
| Mineral |
Moss Agate (chalcedony SiO₂ with metallic oxide inclusions) |
| Dimensions |
11 mm diameter × 4 mm thickness |
| Shape and back |
Round, flat back |
| Finish |
Mirror polish |
| Hardness |
6.5–7 Mohs — suitable for everyday wear rings with protective settings |
| Origin |
Material acquired from wholesale lapidary market |
| Treatment |
No treatment |
| Piece type |
Unique piece |
This particular 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 the oxides are concentrated. The exact pattern of each piece is unrepeatable.
The 11 mm round format is classic for delicate rings or earrings. The 4 mm thickness provides enough dome for the stone to have visual presence without being overly bulky in the setting.
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 hydrothermal veins; if solutions with iron, manganese, or chromium are present during this process, they form the filaments that observers visually associate with plants or moss. It is not an applied aesthetic effect: it is pure geology.
What mounting it works for
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925 silver bezel rings — the 11 mm round format fits any standard circular bezel. A 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 settings — 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 and jewelry. Moss agate, with its vegetal patterns, was especially valued in the 19th century by Victorian collectors who called it "fairy garden stone." In contemporary crystal tradition, it is associated with growth, connection to nature, and balance, making it 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 just surface paints, they are imitations. Under magnification, the filaments are three-dimensional and have diffuse edges — they are not flat lines. The hardness of 6.5–7 Mohs distinguishes chalcedony from dyed glass (≈5 Mohs) and resin (much softer): a steel file scratches glass but not agate.
Frequently asked questions
Has the moss agate been treated or dyed?
No. The green inclusions are natural — metallic oxides formed during the crystallization of 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 the green oxides are concentrated, the piece becomes opaque. Under backlight, the translucency of the clear areas is visible. It is not a completely transparent mineral.
Is the dendritic pattern the same in all pieces?
No. Each cabochon has its own unique and unrepeatable pattern of inclusions. 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.
What are the exact dimensions?
11 mm diameter × 4 mm thickness. Tolerance ±0.5 mm due to hand-cutting.
How do I care for this cabochon?
Clean with a slightly damp cloth and dry immediately. Agate is water-resistant, but avoid harsh soaps and chemicals. Store separately from harder stones like diamond or corundum. More information: jewelry care guide.
See also: cut cabochons · complete lapidary collection.
