鉱物標本 — 86

Dark iron concretion ball speckled with pyrite grains from Yunnan, China, held in gloved hand

Dark Speckled Iron Concretion — Yunnan, China

8.0 cm (3.15 in) · Yunnan Province, China

Plate of glassy emerald-green daylight fluorite cubes from Madagascar, held in hand

Daylight Colour-Change Fluorite — Madagascar · 13.2 cm

13.2 cm (5.20 in) · Madagascar

Blue-green daylight fluorite cubes enclosing pyrite from Nigeria, held in hand

Daylight Colour-Change Included Fluorite — Nigeria

6.8 cm (2.68 in)

Two deep purple fluorite cubes on white quartz plate from Inner Mongolia, China, held in hand

Deep Purple Fluorite with Quartz — Inner Mongolia, China

6.2 cm (2.44 in) · Inner Mongolia, China

Deep purple fluorite cubes on tan quartz and mica from Yaogangxian Mine, Hunan, China

Deep Purple Fluorite with Quartz — Yaogangxian Mine

8.0 cm (3.15 in) · Yaogangxian Mine, China

Deep purple fluorite octahedra on white quartz from Zhejiang, China, held in gloved hand

Deep Purple Octahedral Fluorite with Quartz — Zhejiang

7.4 cm (2.91 in) · Zhejiang Province, China

Deep purple phantom fluorite glowing when, from Inner Mongolia, China, front view in daylight, held in hand

Deep Purple Phantom Fluorite — Inner Mongolia · 8.5 cm

8.5 cm (3.35 in) · Inner Mongolia, China

Deep purple phantom fluorite cubes on white quartz from Inner Mongolia, China, held in gloved hand

Deep Purple Phantom Fluorite — Inner Mongolia · 9.2 cm

9.2 cm (3.62 in) · Inner Mongolia, China

Dense cluster of golden transparent baryte blades from Yunnan, China, held in gloved hand

Dense Golden Transparent Baryte — Yunnan, China

5.8 cm (2.28 in) · Yunnan Province, China

Iron concretion sphere with dense pyrite crust from Yunnan, China, held in gloved hand

Dense Pyrite with Iron Concretion — Yunnan, China

9.8 cm (3.86 in) · Yunnan Province, China

Green diopside crystals with garnet and galena from Inner Mongolia, China, held in hand

Diopside with Galena — Inner Mongolia, China

7.4 cm (2.91 in) · Inner Mongolia, China

Cluster of emerald-green dioptase crystals from DR Congo, held in hand

Dioptase — DR Congo · 3.4 cm

3.4 cm (1.34 in) · DR Congo

Rounded cluster of bright pyrite dodecahedra from Peru, held in gloved hand

Dodecahedral Pyrite — Peru

6.5 cm (2.56 in) · Peru

Pale yellow calcite crystal on cream dolomite rhombs from Guizhou, China, held in hand

Dolomite with Calcite — Guizhou, China

3.9 cm (1.54 in) · Guizhou Province, China

Clear quartz point on cream dolomite with pyrite from Guizhou, China, held in hand

Dolomite with Pyrite — Guizhou, China

3.3 cm (1.30 in) · Guizhou Province, China

Dome of white flower-form calcite points from Guizhou, China, held in gloved hand

Dome Flower-Form White Calcite — Guizhou, China

10.0 cm (3.94 in) · Guizhou Province, China

Dome of plum-purple fluorite cubes from Zhejiang, China, held in gloved hand

Dome Purple Fluorite — Zhejiang, China

9.4 cm (3.70 in) · Zhejiang Province, China

Dome of stepped purple fluorite from Henan, China, held in gloved hand

Dome Purple Stepped Fluorite — Henan, China

9.0 cm (3.54 in) · Henan Province, China

Dome of transparent sea-green fluorite cubes from Hebei, China, held in gloved hand

Dome Transparent Green Fluorite — Hebei, China

10.5 cm (4.13 in) · China

Double-terminated garden quartz with epidote cluster from Sichuan, China, held in gloved hand

Double-Terminated Garden Quartz — Sichuan, China · 3.2 cm

3.2 cm (1.26 in) · Sichuan Province, China