Oval rose quartz cabochon 18×13 mm with a mirror polished finish. Translucent quartz in a soft pink tone, flat back. Standard format for a solitaire ring or central pendant with a 925 silver setting.
Item details
| Mineral |
Rose Quartz (SiO₂, var. rose) |
| Dimensions |
18×13 mm oval · tolerance ±0.5 mm |
| Shape and back |
Oval, flat back |
| Finish |
Mirror polished |
| Hardness |
7 Mohs — we recommend bezel setting |
| Origin |
Material acquired in wholesale lapidary market (Brazil, Madagascar or India depending on batch) |
| Treatment |
Untreated |
| Piece type |
Stock — similar pieces in color; intensity and translucency may vary between pieces |
This specific piece
The 18×13 mm cabochon rose quartz shows variable translucency: more intensely colored pieces are generally more opaque; paler toned pieces allow some light to pass through and, with backlighting, show a soft internal glow.
The 18×13 mm format is one of the most widely used standards in artisan jewelry: proportional for a solitaire ring in sizes 14-18 and for a medium-sized central pendant.
How the pink color of quartz forms
The origin of the pink color in quartz is the subject of active scientific debate.
What setting it works for
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Bezel setting (925 silver) — With a Mohs hardness of 7, rose quartz is one of the most resistant minerals to everyday use. The closed bezel in bright silver creates a soft contrast (pink on white silver) that is elegant and modern. Oxidized silver (blackened silver) offers a more marked contrast.
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Solitaire rings / Central pendants — The 18×13 mm format is the standard reference size for solitaire rings in Spanish artisan jewelry. In a pendant, it creates a central presence without being excessive; it works well on 45-60 cm chains.
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Wire wrap — Rose quartz with a Mohs hardness of 7 withstands wire tension well. A common alternative for those who work with wire without soldering; the pink tone combines especially well with copper or silver wire.
Rose quartz in history and jewelry making
Rose quartz has been used ornamentally for over four thousand years: rose quartz beads have been dated in Ancient Egyptian sites (c. 2000 BC) and in tombs of the Minoan civilization in Crete.
In crystal tradition, rose quartz is associated with unconditional love and emotional openness.
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 rose quartz
Authentic massive rose quartz has a uniform tone ranging from very pale pink to medium pink; intense or highly saturated tones may indicate dyeing.
Frequently asked questions
Is the pink color natural or treated?
No detectable treatment. The color comes from inclusions of phosphate phase nanoparticles or metal oxides in the crystal lattice, depending on the variety.
Are the dimensions exact?
18×13 mm with a tolerance of ±0.5 mm due to being lapidary stock without micrometric industrial calibration.
Can it be used in an everyday ring?
Yes. With a Mohs hardness of 7, it is one of the most suitable minerals for everyday jewelry. Resistant to scratching by household dust (environmental quartz, Mohs 7). See jewelry care guide.
Does the intensity of the pink vary between pieces?
Yes. The tone can vary from very pale pink to medium-intense pink depending on the batch. We do not guarantee a specific tone within the same size format; the received piece corresponds to the available stock.
Does it have inclusions or internal veils?
Massive rose quartz typically presents internal clouds or veils, which are natural characteristics of the mineral, not work defects. These inclusions are visible when backlit and add visual depth to the piece.
How is rose quartz cared for?
Soft damp cloth for cleaning; avoid prolonged exposure to direct sunlight (color may fade over time). See care guide.
See also: complete cabochon collection · silversmithing supplies.
