عينة معدنية — 139

Pyrite cubes on white quartz and dolomite from Shangbao Mine, Hunan, China

Pyrite with Quartz — Shangbao Mine, Hunan, China

6.3 cm (2.48 in) · Shangbao Mine, China

≈‏121 د.إ.‏

Two sharp brassy pyrite cubes on pale marl from Spain

Pyrite — Spain

4.7 cm (1.85 in)

≈‏261 د.إ.‏

Two pyritohedral pyrite crystals on white quartz druse from Guangxi, China

Quartz Cluster with Pyrite — Guangxi, China

9.9 cm (3.90 in) · Guangxi, China

≈‏353 د.إ.‏

Pale green quartz needles with specular hematite from Inner Mongolia, China

Quartz with Specular Hematite — Inner Mongolia, China

7.3 cm (2.87 in) · Inner Mongolia, China

≈‏173 د.إ.‏

Mint-green radiating aragonite with sugary skin from Sichuan, China

Radiating Blue Green Aragonite — Sichuan, China · 6.6 cm

6.6 cm (2.60 in) · Sichuan Province, China

≈‏555 د.إ.‏

Mint-green radiating aragonite peak with sugary skin from Sichuan, China

Radiating Blue Green Aragonite — Sichuan, China · 7 cm

7.0 cm (2.76 in) · Sichuan Province, China

≈‏525 د.إ.‏

Raspberry-purple fluorite octahedra on pale plate from Henan, China

Raspberry-Purple Octahedral Fluorite — Henan, China

4.1 cm (1.61 in) · Henan Province, China

≈‏191 د.إ.‏

Single red gem sphalerite crystal on grey quartz druse from Hunan, China

Red Gem Sphalerite with Quartz — Hunan, China

9.6 cm (3.78 in) · Hunan Province, China

≈‏382 د.إ.‏

Red wulfenite spots over pale matrix block from Sichuan, China

Red Wulfenite — Sichuan, China

6.8 cm (2.68 in) · Sichuan Province, China

≈‏242 د.إ.‏

Reference-grade clear quartz point with tip pattern from Jinkouhe, Sichuan, China

Reference-Grade Clear Quartz — Jinkouhe, Sichuan, China

4.4 cm (1.73 in) · Sichuan Province, China

≈‏114 د.إ.‏

Hexagonal sandwich calcite plates on yellow-stained quartz from Fujian, China

Sandwich Hexagonal Calcite with Quartz — Fujian, China

8.0 cm (3.15 in) · Fujian Province, China

≈‏331 د.إ.‏

Scarlet vanadinite crystals scattered on pale matrix from Morocco

Scarlet Vanadinite — Morocco

4.1 cm (1.61 in) · Morocco

≈‏643 د.إ.‏

Honey scheelite crystal on silvery mica blades from Sichuan, China

Scheelite with Mica — Sichuan, China

7.5 cm (2.95 in) · Sichuan Province, China

≈‏261 د.إ.‏

Scheelite plate with quartz, aquamarine and mica from Xuebaoding, Sichuan, China

Scheelite with Quartz — Xuebaoding, Sichuan, China · 8.1 cm

8.1 cm (3.19 in) · Xuebaoding, Pingwu, China

≈‏643 د.إ.‏

Black schorl tourmaline prism in feldspar and mica from Pakistan

Schorl with Mica — Pakistan

4.6 cm (1.81 in) · Pakistan

≈‏643 د.إ.‏

Shell-shaped calcite crystals, from Yaogangxian Mine, Hunan, China, front view in daylight

Shell-Shaped Calcite — Yaogangxian Mine, Hunan, China

9.3 cm (3.66 in) · Yaogangxian Mine, China

≈‏224 د.إ.‏

Cluster of silvery mica rosettes with aquamarine from Xuebaoding, Sichuan, China

Silvery Mica with Aquamarine — Xuebaoding, Sichuan, China

8.4 cm (3.31 in) · Xuebaoding, Pingwu, China

≈‏151 د.إ.‏

Orange-skinned calcite crystals with clear quartz points from Fujian, China

Skin-Coated Calcite with Quartz — Fujian, China · 6 cm

6.0 cm (2.36 in) · Fujian Province, China

≈‏140 د.إ.‏

Smoky brown botryoidal agate balls over pale base from Africa

Smoky Brown Botryoidal Agate — Africa

5.5 cm (2.17 in)

≈‏121 د.إ.‏

Smoky double-terminated quartz with second crystal across it from Yunnan, China

Smoky Double-Terminated Quartz — Yunnan, China · 11.2 cm

11.2 cm (4.41 in) · Yunnan Province, China

≈‏349 د.إ.‏