14 mm round amethyst cabochons. Medium-intense violet with flat back. Standard format for solitaire rings and circular pendants in 925 silver.
Piece details
| Mineral |
Amethyst (violet variety of quartz, SiO₂) |
| Dimensions |
14 mm diameter (tolerance ±0.5 mm) |
| Shape and back |
Round, flat back |
| Finish |
Mirror polished |
| Hardness |
7 Mohs — suitable for pendants and rings with closed bezel settings |
| Origin |
Material acquired in lapidary wholesale market (India / Brazil) |
| Treatment |
No treatment |
| Piece type |
Available in various lots |
This particular piece
The 14 mm diameter is the most versatile for round cabochons: large enough for a solitaire ring without being excessive, and suitable for circular pendants that don't overload the neck. The flat back facilitates bezel work because the lapidary does not need to adjust the height of the metal wall.
The violet of these amethysts is of medium-high saturation. Color zoning is visible under magnification: more saturated sectors alternate with slightly lighter areas, which confirms the natural formation of the quartz.
What setting it works for
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Bezel setting (925 silver) — the 14 mm round format fits into standard pre-made mounts for that diameter.
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Solitaire rings / Circular pendants — the circle pairs well with organic and geometric designs.
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Wire wrap — the flat back and circular perimeter simplify any basic or elaborate wrap.
Amethyst in lapidary tradition
Amethyst was the gemstone of medieval bishops: the episcopal ring had to be gold with amethyst, a symbol of sobriety and spiritual elevation. In ancient Greek and Roman times, cups and jars were carved from amethyst with the belief that they prevented intoxication — hence the Greek term amethystos ("not intoxicated"). In crystal tradition, amethyst is associated with mental tranquility, wisdom, and clarity of thought — the stone of one who observes before judging.
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 amethyst
Natural amethyst shows color zoning under magnification: the violet appears concentrated in sectors, not perfectly uniform. Purple glass has internal spherical bubbles. Genuine amethyst is cooler to the initial touch than glass at room temperature. A hardness of 7 Mohs scratches glass easily; glass does not scratch amethyst.
Frequently asked questions
Is it natural amethyst or dyed glass?
Natural amethyst. No detectable treatment. Statement based on lapidary observation; the piece does not include formal gemological certification.
Does it fit standard 14 mm settings?
Yes. With the usual tolerance of ±0.5 mm, verify the exact diameter of each piece before ordering a pre-made setting.
Are the dimensions exact?
Nominal 14 mm. As it is uncalibrated lapidary stock, there may be a variation of ±0.5 mm between pieces.
What's the difference between a round and an oval cabochon?
Round is more versatile for pre-made settings and symmetrical designs. Oval may be better suited for longer finger proportions in rings.
How to care for it?
Avoid prolonged exposure to direct sunlight, which can fade the violet. Store in an opaque case. Clean with warm water and neutral soap. More at jewelry care.
See also: cabochon collection · handmade rings.
