Polished Peruvian Gem Silica w/ Crystals

Old Stock  ·  Lima, Peru  ·  Natural · One of a Kind

These remarkable Peruvian Gem Silica slabs originate from historic copper mining operations in Lima, Peru — material known for its rich gem & mineral saturation, natural crystalline features, and occasional chatoyant malachite formations. Cut from two original stones and preserved as old stock, these pieces represent increasingly scarce material rarely seen in polished slab form.

Each slab has been hand-cut and finished in-house to reveal the luminous green-blue body color, with select pieces featuring natural crystal pockets and malachite inclusions that add depth and geological character. The result is a collection that balances refined polish with raw mineral presence — equally suited for high-end jewelry or curated mineral display.

These are stones chosen for color, rarity, and visual movement, prepared for artists and collectors who value material with provenance. 

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Dimensions & Weight

Piece 1: Images 1-3 (Green with Crystals)

• 76 × 74 × 8 mm

• 78.9 grams
  

Piece 2: Images 4-6 

• 52 × 27 × 5.5 mm

• 12.93 grams

Piece 3: Images 7-9

• 50 × 29 × 7.5 mm

• 18.45 grams

Piece 4: Images 10-12 (Green with Malachite)

• 57 × 54 × 7.5 mm

• 45.65 grams

Each piece is sold individually and is completely one of a kind.

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Stone & Lapidary Craftsmanship

• Natural Peruvian Gem Silica

• Origin: Lima, Peru (old stock copper mining material)

• Cut from two original stones

• No treatments or enhancements

• Natural crystal features in select pieces

• Malachite association in select pieces

• One-of-a-kind material

Each slab is hand-cut and polished in-house using a traditional multi-stage lapidary process:

• Flat-lap grinding from 80–800 grit to refine surfaces

• Saw mark removal and surface leveling

• Progressive honing for mirror finish preparation

• Gem-grade polishing techniques

• Multiple compressed felt industrial polishing pads

• Finished using alumina oxide and complementary compounds

• High-polish, glassy display-ready finish

The final polish enhances both color saturation and crystalline detail.

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Design & Use Notes

These gem silica slabs are ideal for:

• Statement pendants

• High-end custom jewelry

• Collector cabochon cutting

• Inlay work

• Mineral display pieces

Gem silica pairs exceptionally well with:

• Yellow gold — enhances warmth and rarity

• Rose gold — complements green-blue tones beautifully

• Sterling silver — classic lapidary presentation

• Oxidized silver — emphasizes crystal texture and depth

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Symbolism 

Gem silica is often associated with calm communication, emotional clarity, and gentle strength. With its copper-born origins and tranquil color, it is traditionally seen as a stone that balances energy while encouraging thoughtful expression.

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Collector Notes

• Old stock Peruvian gem silica

• Rare crystal-bearing material

• Natural malachite association (select pieces)

• Cut from two original stones

• High-end lapidary finish

• Suitable for both cutting or display

• Increasingly difficult material to source