Peruvian Andean opal point with natural matrix, 15.7 × 12.2 × 7 mm. Hand-carved in our workshop from rough imported from Peru. Translucent blue-green coexists with natural rock bands in beige and terracotta — a geological contrast that no industrial piece can replicate. One-of-a-kind piece.
Piece details
| Mineral |
Peruvian Andean opal (amorphous hydrated silica) |
| Dimensions |
15.7 × 12.2 × 7 mm |
| Shape |
Hand-carved point with natural matrix |
| Finish |
Mirror polish on opal areas; unpolished matrix |
| Hardness |
5.5–6.5 Mohs — we recommend a closed bezel setting |
| Origin |
Peru, Peruvian Andes |
| Treatment |
Resin stabilized (preventive impregnation). The blue-green color is natural to the mineral; no dyes. |
| Piece type |
One-of-a-kind piece |
This specific piece
The matrix is the visual appeal of this point: the translucent blue-green opal shines between veins of beige and terracotta rock that absorb light and create a contrast only nature can produce. Its presence guarantees authenticity that no synthetic material can replicate. The flat base facilitates positioning in any setting.
How Andean opal forms
Andean opal is amorphous hydrated silica (SiO₂·nH₂O) precipitated in cavities of volcanic rocks in the Peruvian Andes. The blue-green color comes from copper traces trapped during formation. Lacking a crystalline system, it absorbs small amounts of moisture — which is why it has been preventively stabilized with resin before leaving the workshop.
What settings it works for
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Sheathed wire wrap (925 silver or other metals) — the matrix areas offer a rough surface with excellent grip; the sheathing can cover the entire point or respect the irregular silhouette.
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Pendant with cap setting in 925 silver — the flat base facilitates seating in a standard setting; the size (15.7 mm high) is ideal for everyday necklaces.
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Collection or lapidary reference — the opal/matrix contrast makes this piece a didactic specimen for those studying the relationship between gem and host rock.
Andean opal in lapidary tradition
The Incas offered Andean opal to Pachamama in rituals associated with water and fertility; its blue-green color evoked the high-altitude lakes. In the 19th-century European lapidary market, it arrived as an alternative to Australian opal: without spectral play-of-color but with a translucency between jade and aquamarine that didn't fit into any pre-existing category.
In crystal tradition, it is described as the stone for those who accept that landscape imperfections are part of the landscape.
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 Andean opal
No spectral play-of-color (that effect is from Australian opal). Vitreous appearance, localized color, and true translucency. Cool and light to the touch. Under magnification: compact microtexture; imitations show perfect spherical bubbles. Contiguous matrix is a reliable sign of non-manufactured origin.
Frequently asked questions
Why is it resin stabilized?
Andean opal absorbs ambient moisture and can develop microfractures. We have applied transparent resin by impregnation as a preventive measure — it does not alter the color or appearance. Declared treatment, according to GIA guidelines.
Can it be set in 925 silver?
Yes. With a hardness of 5.5–6.5 Mohs, it accepts a closed bezel to protect the edges. The flat base facilitates support; wire wrap can be anchored in the matrix areas.
How to care for it?
Dry or slightly damp cloth. No ultrasonics, steam, or chemicals. No prolonged immersion. More in our jewelry care guide.
See also: lapidary collection · available cabochons.
