The Dioptase Specimen (Congo) – 刚果翠铜矿矿标 is a stunning natural mineral specimen featuring the remarkable emerald-green colour of Dioptase.
Dioptase is a copper silicate mineral renowned among collectors for its exceptionally vivid green colour, which can range from bright emerald green to deep, saturated green. Well-formed crystals can display a beautiful vitreous, glass-like lustre, making Dioptase one of the most eye-catching green minerals in a mineral collection.
Congo is an important source of Dioptase specimens, particularly material associated with the copper-rich deposits of the Katanga region. Natural specimens can occur as individual crystals, crystal clusters or crystals growing over a contrasting matrix.
Each specimen is naturally unique, with variations in crystal size, transparency, colour intensity, lustre and matrix.
Mineral Information
- Mineral: Dioptase
- Chemical Formula: CuSiO₃·H₂O
- Mineral Group: Copper silicate
- Crystal System: Trigonal
- Origin: Congo
- Colour: Emerald green to deep green
- Lustre: Vitreous
- Hardness: Approximately 5 on the Mohs scale
- Formation: Commonly forms in the oxidised zones of copper deposits
Why It's Special
💚 Exceptional Emerald-Green Colour – Dioptase is famous for its exceptionally saturated green colour, often compared with emerald.
✨ Beautiful Natural Lustre – Crystal faces can exhibit a striking glassy lustre when viewed under good lighting.
🇨🇩 Congo Locality – Congo is renowned for producing attractive Dioptase and other copper-mineral specimens.
🔬 Interesting Mineralogy – Dioptase is a hydrated copper silicate and is an excellent example of minerals formed in the oxidised zones of copper deposits.
🪨 Naturally Unique – Every specimen has its own crystal arrangement, matrix and colour distribution.
Collector Appeal
Dioptase is highly sought after by mineral collectors and copper-mineral enthusiasts because of its distinctive colour and attractive crystal habit.
Its intense green appearance makes it an excellent cabinet specimen or display mineral, particularly for collectors interested in African minerals, copper minerals and naturally occurring green crystals.
Traditional / Metaphysical Appreciation
Dioptase is traditionally appreciated in the crystal community for its associations with the heart, emotional renewal and transformation.
It is traditionally associated with:
- 💚 Heart-centred energy and compassion
- 🌿 Emotional renewal and personal growth
- ✨ Transformation and fresh beginnings
- 🕊️ Releasing emotional heaviness
- 🧘 Inner reflection and self-awareness
- ❤️ Encouraging openness and emotional balance
Size - 63mm x 36mm x 39mm





