Related to quartz with calcite crystals

Close-up of a mineral crystal

1600 × 1200

Gold-bearing Rock Specimen

800 × 600

Gold and Quartz Mineral

1198 × 960

Black and Green Crystals

1280 × 853

Red Crystal Cluster — Natural

1920 × 1080

Orange Mineral Crystal

800 × 600

Red Crystal Cluster — Dramatic, Photograph

3301 × 4000

cluster of mineral crystals

1024 × 803

Red and white mineral crystals

1076 × 1400

Blue-green Crystals

1272 × 1024

Mesolite mineral from India

1280 × 1024

blue and gold mineral cluster

1600 × 1200

Red crystal mineral specimen

3008 × 2000

Rainbow Bismuth Crystal — Green

1920 × 1080

Quartz Crystals on Rock

1280 × 853

Clear Quartz Crystals

2016 × 1344

Gold mineral specimen

2912 × 3797

Clear Quartz Cube

1920 × 1200

Clear Quartz Crystals — Black

1242 × 2208

close-up of crystal formation

4320 × 3240

Blue Beryl Crystals

1280 × 971

Cluster of Citrine Crystals — Orange

1600 × 1200

Blue Crystal Cluster — Dramatic

800 × 600

Red crystal on white matrix

1763 × 1254