Blue mineral specimen in display

1024 × 726

Red crystal mineral specimen

1923 × 1301

Blue mineral specimen

2694 × 1789

Mineral Specimen with Crystals — White

1024 × 768

Mineral specimen with crystals

2700 × 2025

White Gypsum Crystals

1024 × 768

Pink Mineral Specimen

1055 × 960

Mesolite mineral from India

1280 × 1024

Fern-like mineral specimen

2746 × 4279

Red and white mineral crystals

1076 × 1400

green crystal cluster

3252 × 1736

Blue Beryl Crystals

1280 × 971