Cassiterite and Quartz Cluster, Yaogangxian Mine, China
Size: 2.7 × 2.3 × 3 inches
Weight: 17.99 oz (510 grams)
This raw mineral specimen features a bold combination of metallic-black Cassiterite and a sharply terminated clear quartz crystal. It originates from the prestigious Yaogangxian Mine in Yizhang County, Chenzhou, Hunan, China—an internationally recognized locality for top-grade mineral specimens.
The ferberite portion displays striated crystal faces and a rich, dark metallic sheen typical of high tungsten content. The quartz crystal, well-formed and glassy, emerges cleanly from the matrix and contrasts beautifully with the darker ferberite blades. Together, they create a visually powerful and well-balanced composition suitable for serious collectors and display.
Weighing 17.99 oz and measuring 2.7 × 2.3 × 3 inches, this specimen offers excellent size and sculptural presence. It is ideal for mineral enthusiasts, educational collections, or metaphysical users interested in grounding and amplification energies. Ferberite is valued as a source of tungsten and is said to enhance strength and resilience, while quartz is known for energy amplification and clarity.
This rare raw mineral specimen from one of China’s most iconic mines makes a standout addition to any collection.
Specimen details
| Mineral | Cassiterite |
|---|---|
| Locality | Yaogangxian Mine, China |
| Crystal system | Tetragonal |
| Dimensions | 7.6 cm × 5.8 cm × 6.9 cm |
| Weight | 510 g |
| Color | Metallic |
| Size | Small Cabinet (2–4 inches / 5–10 cm) |
| Species | Cassiterite |
| Condition | No damage on display faces |
Tags
About this specimen
This exceptional Cassiterite Quartz Cluster is a stunning natural specimen sourced from Yaogangxian, China. The cluster features multiple well-formed crystals displaying metallic luster that makes it a standout addition to any mineral collection.
Quartz (SiO₂) crystallizes in the trigonal crystal system with a Mohs hardness of 7. This mineral is known for vitreous luster, conchoidal fracture, piezoelectric properties, and exceptional durability. Specimens from Yaogangxian, China are particularly valued among collectors for their quality and character.
This specimen weighs 17.99 oz (510.0 g) and measures approximately 3 × 2.3 × 2.7 inches, representing a rare example. Each specimen is carefully hand-selected to ensure excellent crystal development, natural aesthetics, and display-worthy presentation. Photographs represent the actual specimen you will receive.
Whether you are a seasoned mineral collector, a geology enthusiast, or searching for a distinctive natural display piece, this Quartz specimen offers exceptional quality and visual appeal. It makes an impressive addition to a specimen cabinet, educational display, or curated mineral collection — Quartz is the most abundant mineral in Earth's continental crust, treasured by collectors and widely used in electronics and optics.
About Yaogangxian Mine
Related specimens
Cassiterite Crystal, Xuebaoding, China
Cassiterite with Mica, Xuebaoding, Sichuan
Cassiterite Crystal – Prismatic Form – Yaogangxian Mine, Hunan
Cassiterite Crystal – Columnar Striations – Yaogangxian Mine, Hunan
