Green Crystals Cluster

1333 × 1000

Mineral specimen with crystals

2647 × 1845

Blue mineral specimen

2694 × 1789

Purple crystals against blue sky

1920 × 1200

Red crystal mineral specimen

1923 × 1301

Mineral specimen with crystals

2700 × 2025

Cluster of Blue Crystals — White

1280 × 1122

Mineral Specimen with Crystals — White

1024 × 768

White Gypsum Crystals

1024 × 768

Mineral specimen with crystals

2894 × 1501

Large Quartz Crystal

1280 × 946

red mineral crystals on rock

1100 × 825