polished agate stone

1024 × 826

labradorite stone with iridescent patterns

1500 × 964

Two polished gemstones

1920 × 1275

Blue and Green Turquoise Stones

1280 × 900

green malachite mineral specimen

2746 × 2060

Red and Black Stone

896 × 672

Sliced Agate Geode

1500 × 938

Layered Agate Rock

1280 × 960

vibrant opal gemstone

1145 × 859

polished opal stone

2016 × 1344

close-up of geode interior

1920 × 1200

Star Sapphire Gemstone — White

2136 × 1668