Green aventurine tumble — natural, India

A tumbled green aventurine from India, polished smooth, in soft to deep shades of green. Aventurine is a variety of quartz, its green colour and subtle shimmer coming from tiny inclusions of fuchsite mica formed within the stone.

Mineral: Green aventurine (quartz, SiO₂)
Crystal system: Trigonal
Origin: India
Hardness: 7 on the Mohs scale; durable and easy to handle
Treatment: None
Approx. size: 1.8 × 0.6 × 1.8 cm
Approx. weight: 10 g

Sold individually; yours will be similar to those shown.