عينة معدنية — 6

Black double-terminated quartz with clear rim from Yunnan, China, held in gloved hand

Black Double-Terminated Quartz — Yunnan · 3.1 cm, 5.8 g

3.1 cm (1.22 in) · Yunnan Province, China

≈‏353 د.إ.‏

Stout black double-terminated quartz with sparkles from Yunnan, China, held in gloved hand

Black Double-Terminated Quartz — Yunnan · 3.1 cm, 7.8 g

3.1 cm (1.22 in) · Yunnan Province, China

≈‏140 د.إ.‏

Stout black quartz with floater base from Yunnan, China, held in gloved hand

Black Double-Terminated Quartz — Yunnan · 3.2 cm, 20.7 g

3.2 cm (1.26 in) · Yunnan Province, China

≈‏162 د.إ.‏

Stout black double-terminated quartz with sparkles from Yunnan, China, held in gloved hand

Black Double-Terminated Quartz — Yunnan · 3.2 cm, 7.8 g

3.2 cm (1.26 in) · Yunnan Province, China

≈‏136 د.إ.‏

Black double-terminated quartz with clear tip from Yunnan, China, held in gloved hand

Black Double-Terminated Quartz — Yunnan, China · 3.3 cm

3.3 cm (1.30 in) · Yunnan Province, China

≈‏136 د.إ.‏

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

Black Double-Terminated Quartz — Yunnan, China · 3.4 cm

3.4 cm (1.34 in) · Yunnan Province, China

≈‏143 د.إ.‏

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

Black Double-Terminated Quartz — Yunnan · 3.5 cm, 8.2 g

3.5 cm (1.38 in) · Yunnan Province, China

≈‏151 د.إ.‏

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

Black Double-Terminated Quartz — Yunnan · 3.7 cm, 11.5 g

3.7 cm (1.46 in) · Yunnan Province, China

≈‏283 د.إ.‏

Black double-terminated quartz with clear rim from Yunnan, China, held in gloved hand

Black Double-Terminated Quartz — Yunnan · 3.7 cm, 5.3 g

3.7 cm (1.46 in) · Yunnan Province, China

≈‏147 د.إ.‏

Black double-terminated quartz with clear tip from Yunnan, China, held in gloved hand

Black Double-Terminated Quartz — Yunnan · 3.7 cm, 5.5 g

3.7 cm (1.46 in) · Yunnan Province, China

≈‏136 د.إ.‏

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

Black Double-Terminated Quartz — Yunnan, China · 3.0 cm

3.0 cm (1.18 in) · Yunnan Province, China

≈‏162 د.إ.‏

Black double-terminated quartz with golden flecks from Yunnan, China, held in gloved hand

Black Double-Terminated Quartz — Yunnan, China · 4.1 cm

4.1 cm (1.61 in) · Yunnan Province, China

≈‏264 د.إ.‏

Black double-terminated quartz with clear rim from Yunnan, China, held in gloved hand

Black Double-Terminated Quartz — Yunnan, China · 4.6 cm

4.6 cm (1.81 in) · Yunnan Province, China

≈‏264 د.إ.‏

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

Thumbnail Black-Flecked Double-Terminated Quartz — Yunnan · 2.5 cm

2.5 cm (0.98 in) · Yunnan Province, China

≈‏136 د.إ.‏

Tiny black-flecked quartz pair with crossing crystal from Yunnan, China, held in gloved hand

Thumbnail Black-Flecked Double-Terminated Quartz — Yunnan · 2.7 cm

2.7 cm (1.06 in) · Yunnan Province, China

≈‏99 د.إ.‏

Black-flecked double-terminated quartz with side crystal from Yunnan, China, held in gloved hand

Black-Flecked Double-Terminated Quartz — Yunnan · 3.4 cm

3.4 cm (1.34 in) · Yunnan Province, China

≈‏176 د.إ.‏

Black-included quartz point with rainbow flash from Jinkouhe, Sichuan, China, held in gloved hand

Black-Included Quartz — Jinkouhe, Sichuan, China · 5.6 cm

5.6 cm (2.20 in) · Sichuan Province, China

≈‏187 د.إ.‏

Black prismatic crystal crossed by white quartz from Inner Mongolia, China

Black Prismatic Quartz — Inner Mongolia, China

4.6 cm (1.81 in) · Inner Mongolia, China

≈‏312 د.إ.‏

Black sparkly quartz with self-healed tip from Yunnan, China, held in gloved hand

Thumbnail Black Quartz — Yunnan, China

2.7 cm (1.06 in) · Yunnan Province, China

≈‏213 د.إ.‏

Stout black sketch-pattern double-terminated quartz from Yunnan, China, held in gloved hand

Black Sketch-Pattern Double-Terminated Quartz — Yunnan

3.6 cm (1.42 in) · Yunnan Province, China

≈‏264 د.إ.‏