Quartz Mineral Specimen

1024 × 768

Opal Mineral Specimen

1024 × 768

Scolecite Mineral Specimen

1024 × 768

Pink Rhodochrosite Crystals

1240 × 1153

Blue mineral specimen in display

1024 × 726

Fern-like mineral specimen

2746 × 4279

Calcite Crystals on Malachite

1280 × 969

Yellow Mineral Crystals

2288 × 1712

quartz with calcite crystals

1800 × 1422

Mineral Specimen with Crystals — White, Neutral

1280 × 921

Blue and green mineral specimen

1280 × 850

Clear Quartz Crystal Cluster — White

2320 × 1827