Front view of emerald-green dioptase with pale quartz and tan matrix on a black display base

Dioptase on Quartz – Shaba, Zaire

$45.00
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Front view of emerald-green dioptase with pale quartz and tan matrix on a black display base

Dioptase on Quartz – Shaba, Zaire

$45.00

About This Specimen

This miniature specimen features concentrated emerald to blue-green dioptase crystals intergrown with colorless, cloudy white, and pale peach quartz on a tan-brown matrix. Its upright silhouette reveals different concentrations of green crystals from each viewing angle, while the pale quartz provides strong visual contrast.

Specimen Details

  • Mineral / Specimen Type: Dioptase on Quartz
  • Locality: Shaba, Zaire
  • Form & Structure: Small prismatic to blocky dioptase crystals and aggregates intergrown with quartz on matrix
  • Color: Emerald to deep blue-green dioptase with colorless to cloudy white and pale peach quartz on tan-brown matrix
  • Rarity: Uncommon as a collector mineral; availability and crystal quality vary considerably by locality
  • Mohs Hardness: 5
  • Luster: Vitreous
  • Chemical Formula: Cu₆Si₆O₁₈·6H₂O
  • Specimen Size: Miniature
  • Dimensions in cm: 3.1 × 2.3 × 4.1 cm
  • Specimen Weight in grams — mineral only: 20.3 g
  • Total / Display Weight in grams: 69 g

About Dioptase

Dioptase is a hydrated copper cyclosilicate recognized for its saturated emerald-green to blue-green color and vitreous crystal faces. It crystallizes in the trigonal system, has a Mohs hardness of 5, and commonly occurs in the oxidized zones of copper deposits, where its color can resemble emerald despite the two minerals having different compositions and properties.

Traditional & Metaphysical Associations

In modern crystal traditions, dioptase is associated with compassion, emotional renewal, forgiveness, and heart-centered reflection. Some collectors use it as a symbolic focus for meditation or intention-setting, while others simply appreciate its vivid color as an uplifting display accent. Metaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.

Why This Specimen?

The specimen offers rich green color across several faces, with sparkling pale quartz and warm matrix tones creating a layered, dimensional presentation. Its compact upright form displays especially well on the pictured black base.

Exact specimen pictured. You will receive the exact specimen shown in the photographs.

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