Oval variscite cabochon from Palazuelos de las Cuevas (Zamora, Spain), 10 × 8 × 4 mm. Intense apple green color with fine brown and yellow veins characteristic of the original matrix. Hand-cut in our lapidary workshop; polished flat back suitable for direct bezel setting on silver.
Piece Data Sheet
| Mineral |
Variscite (hydrated aluminum phosphate, green variety) |
| Origin |
Palazuelos de las Cuevas, Zamora (Spain) |
| Color |
Apple green with brown and yellow matrix veins |
| Dimensions |
10 × 8 × 4 mm |
| Shape and Back |
Oval, polished flat back |
| Finish |
Mirror polish |
| Hardness |
3.5–4.5 Mohs — soft mineral; closed bezel setting recommended |
| Treatment |
No treatment. Green color due to native iron traces in the phosphate |
| Piece Type |
Unique piece — hand-cut |
This specific piece
The 10 × 8 mm oval is one of the most requested formats in silver lapidary. The apple green is uniformly distributed over the surface, with fine veins in warm brown and yellow tones that recall the texture of the slates from which the mineral is extracted. The 4 mm thickness is moderate — it works well in flat pieces such as lightweight earrings and pendants.
The mirror polish enhances the green without saturating it: under direct light, the depth of the tone is appreciated, and under grazing light, the internal veins appear as microrelief.
How variscite from Palazuelos is formed
Variscite originates from the circulation of aqueous solutions rich in phosphate through Paleozoic slates with high aluminum content. The phosphate precipitates in fissures and cavities, forming greenish microcrystalline masses. The color comes from traces of iron that partially substitute aluminum in the crystal lattice; light or brown veins are remnants of the original matrix (quartz, kaolinite, iron oxides) that were trapped during crystallization. Each section cut from the rock presents a unique matrix pattern.
What kind of setting it works for
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Closed bezel setting (925 silver or other precious metals) — recommended due to its hardness of 3.5–4.5 Mohs; the 10 × 8 mm oval silhouette gives a classic proportion for jewelry
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Silver pendants and earrings — the format and 4 mm thickness make them ideal for pairs of earrings or lightweight pendants
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Discreet rings — full bezel setting; moderate size, comfortable for occasional wear (not recommended for continuous daily use)
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Wire wrap — an alternative for those who work with wire wrapping; fine wire gauge 0.6–0.8 mm to respect the moderate hardness of the phosphate
Iberian variscite in lapidary tradition
Iberian variscite is documented as an ornamental material since the Neolithic: in the 4th and 3rd millennia BC, it was worked in workshops in the northeast of the peninsula (Can Tintorer mine, Gavà) and distributed as beads and pendants throughout much of Atlantic Europe. Palazuelos de las Cuevas, in Zamora, is a historic Iberian locality where the mineral is associated with Paleozoic slates from the northwest of the peninsula. The name "variscite" was coined in 1837 by August Breithaupt, referring to the German Vogtland (Variscia, where the species was first described).
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 variscite from Palazuelos
Authentic variscite shows a waxy to vitreous luster and partial translucency when backlit at the fine edges. Matrix veins —brown, yellow, or white— run through the piece in irregular patterns, not like regular brushstrokes. Under a 10× loupe, a compact microcrystalline texture without internal bubbles is observed (which rules out glass or resin). The steel knife test distinguishes it from turquoise: variscite scratches, turquoise does not.
Frequently Asked Questions
Is it turquoise?
No. Both are green phosphates and are visually confused, but variscite is an aluminum phosphate (without copper), softer (3.5–4.5 Mohs) than turquoise (5–6 Mohs). Variscite's green is a fresh apple green; turquoise tends towards blue-green.
Is it treated or dyed?
No detectable treatment. The green color comes from native iron traces in the phosphate, and the veins are remnants of the original slate and quartz matrix. Statement based on lapidary observation; no formal gemological certification.
What is the difference with the freeform variscite cabochon?
This is a more regular oval silhouette. The freeform cabochon retains the original silhouette of the fragment and requires the setter to custom build the bezel.
Is it durable enough for a ring?
Only for occasional use with a full closed bezel setting. The 3.5–4.5 Mohs hardness makes the material vulnerable to daily impacts; as a pendant or earring, it holds up perfectly.
Are there other pieces identical to this one?
No. Each cabochon is cut from a different fragment. The dimensions of the oval are reproducible, but the exact distribution of green, brown veins, and the transition between zones is unique in this piece.
How should it be cared for?
Clean with a soft, dry or slightly damp cloth. Avoid perfumes, cosmetics, cleaning products, and prolonged exposure to intense sunlight. Store separately from harder stones. More in the jewelry care guide.
More about variscite: properties, meaning, and uses. See also: all cabochons · handmade pendants · silver earrings.
