鉱物標本 — 7

Black metallic specular hematite rosettes with quartz from Guangdong, China, on a stand

Black Specular Hematite with Quartz — Guangdong, China

4.0 cm (1.57 in) · Guangdong Province, China

Very tiny black sugar-core double-terminated quartz from Yunnan, China, held in gloved hand

Thumbnail Black Sugar-Core Double-Terminated Quartz — Yunnan · 1.8 cm

1.8 cm (0.71 in) · Yunnan Province, China

Tiny black sugar-core double-terminated quartz from Yunnan, China, held in gloved hand

Thumbnail Black Sugar-Core Double-Terminated Quartz — Yunnan · 2.1 cm

2.1 cm (0.83 in) · Yunnan Province, China

Tiny black sugar-core double-terminated quartz from Yunnan, China, held in gloved hand

Thumbnail Black Sugar-Core Double-Terminated Quartz — Yunnan · 2.2 cm

2.2 cm (0.87 in) · Yunnan Province, China

Tiny black sugar-core quartz with side crystal from Yunnan, China, held in gloved hand

Thumbnail Black Sugar-Core Double-Terminated Quartz — Yunnan · 2.0 cm

2.0 cm (0.79 in) · Yunnan Province, China

Black sugar-core double-terminated quartz from Yunnan, China, held in gloved hand

Black Sugar-Core Double-Terminated Quartz — Yunnan · 4.5 cm

4.5 cm (1.77 in) · Yunnan Province, China

Slender black sugar-core double-terminated quartz from Yunnan, China, held in gloved hand

Black Sugar-Core Double-Terminated Quartz — Yunnan · 4.6 cm

4.6 cm (1.81 in) · Yunnan Province, China

Black sugar-core double-terminated quartz from Yunnan, China, held in gloved hand

Black Sugar-Core Double-Terminated Quartz — Yunnan · 4.9 cm

4.9 cm (1.93 in) · Yunnan Province, China

Twinned black double-terminated quartz pair from Yunnan, China, held in gloved hand

Black Twinned Double-Terminated Quartz — Yunnan, China

3.1 cm (1.22 in) · Yunnan Province, China

Colourless bladed creedite crystals with dark inclusions from Guizhou, China

Bladed Creedite — Guizhou, China

2.3 cm (0.91 in) · Guizhou Province, China

Large white-grey blocky baryte crystal group from Jinkouhe, Sichuan, China

Blocky Baryte — Sichuan, China

8.0 cm (3.15 in) · Sichuan Province, China

Blocky orange-brown vanadinite crystal group from Morocco, in a display box

Thumbnail Blocky Vanadinite — Morocco

2.5 cm (0.98 in) · Morocco

Turquoise-blue fibrous aragonite slab from Sichuan, China, held in hand

Blue Aragonite — Sichuan, China

5.4 cm (2.13 in) · Sichuan Province, China

Sky-blue needle aragonite crust from Yunnan, China, on an acrylic stand

Blue Aragonite — Yunnan, China

3.0 cm (1.18 in) · Yunnan Province, China

Sky-blue fibrous aragonite crust from Yunnan, China, on an acrylic stand

Thumbnail Blue Aragonite — Yunnan, China · 2.9 cm

2.9 cm (1.14 in) · Yunnan Province, China

Turquoise-blue fibrous aragonite crust from Yunnan, China, on an acrylic stand

Blue Aragonite — Yunnan, China · 4.3 cm

4.3 cm (1.69 in) · Yunnan Province, China

Blue azurite with green malachite sprays on matrix from Morocco, on a stand

Blue Azurite with Malachite — Morocco

3.3 cm (1.30 in) · Morocco

Blue Cavansite on White Zeolite Geode — India — individual mineral specimen view 1

Blue Cavansite on White Zeolite Geode — India

5.0 cm (1.97 in) · India

Slender blue-grey quartz wand with complete tip from Inner Mongolia, China, held in gloved hand

Blue-Grey Quartz — Inner Mongolia, China

7.2 cm (2.83 in) · Inner Mongolia, China

Blue veszelyite divided by a tan rock seam from Yunnan, China, in a box

Thumbnail Blue Over Veszelyite — Yunnan, China

1.4 cm (0.55 in) · Yunnan Province, China