石英の標本 — 2

Small milky quartz sphere held to the sun, six-ray star glowing

Small Milky Star Quartz Sphere, Six-Ray Star, Brazil 4.2 cm

4.2 cm (1.65 in) · Brazil

Backlit green phantom quartz point with layered green and rust phantoms

Brazilian Green Phantom Quartz Point, Layered Phantoms

20.0 cm (7.87 in) · Brazil

Brazilian enhydro quartz sphere in hand with white veils and an orange-brown feather

Enhydro Quartz Sphere with Moving Water Bubble, Brazil

7.0 cm (2.76 in) · Brazil

Brazilian phantom quartz point on a carved root-wood stand among large leaves

Phantom Quartz Point with Green and Red Phantoms, Brazil

23.0 cm (9.06 in) · Brazil

Polished quartz point in hand with a thick copper-red rutile rod inside

Polished Quartz Point with Thick Copper Rutile, Brazil

13.0 cm (5.12 in) · Brazil

Red rabbit-hair quartz tower in hand, peach-red inclusions forming a mountain below the tip

Red Rutilated Quartz Tower with Green Rutile, Brazil

15.9 cm (6.26 in) · Brazil

Broad white phantom quartz point with a milky six-sided phantom pyramid

Milky White Phantom Quartz Point with Phantom Pyramid 15.0 cm

15.0 cm (5.91 in)

Pale yellow skeletal quartz standing on a carved root-wood stand

Zambian Skeletal Quartz with Green Tourmaline on Wood Stand

20.0 cm (7.87 in) · Zambia

Cruz Quartz Cluster Mexico 442.6 g — complete view

Cruz Quartz Cluster 442.6 g, Mexico

12.0 cm (4.72 in) · Mexico

Narrow side of the etched quartz floater, showing attached crystal tips and its free-growing base

Etched Quartz Floater from Xuebaoding

5.4 cm (2.13 in) · Xuebaoding, Pingwu, China

Clear Quartz Cluster with Growth Channels — Brazil — individual mineral specimen view 1

Clear Quartz Cluster with Growth Channels — Brazil

6.0 cm (2.36 in) · Brazil

Tall smoky quartz crystal in white feldspar from Fujian, China, held in hand

Tall Smoky Quartz with Feldspar — Fujian, China

12.3 cm (4.84 in) · Fujian Province, China

Amber caramel-coloured quartz crystal from Guangdong, China, in a display box

Thumbnail Amber Caramel Brown Quartz — Guangdong, China

2.7 cm (1.06 in) · Guangdong Province, China

Deep purple amethyst cluster on sawn base from Brazil, held in gloved hand

Amethyst — Brazil

4.5 cm (1.77 in) · Brazil

Black-capped double-terminated quartz from Guizhou, China, held in gloved hand

Black-Capped Double-Terminated Quartz — Guizhou · 4.4 cm

4.4 cm (1.73 in) · Guizhou Province, China

Tiny black-capped double-terminated quartz from Yunnan, China, held on gloved fingertip

Thumbnail Black-Capped Double-Terminated Quartz — Yunnan, China

2.1 cm (0.83 in) · Yunnan Province, China

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

Thumbnail Black Double-Terminated Quartz — Yunnan, China · 2.1 cm

2.1 cm (0.83 in) · Yunnan Province, China

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

Thumbnail Black Double-Terminated Quartz — Yunnan · 2.6 cm, 3.6 g

2.6 cm (1.02 in) · Yunnan Province, China

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

Thumbnail Black Double-Terminated Quartz — Yunnan · 2.6 cm, 5.2 g

2.6 cm (1.02 in) · Yunnan Province, China

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

Thumbnail Black Double-Terminated Quartz — Yunnan, China · 2.8 cm

2.8 cm (1.10 in) · Yunnan Province, China