Quartz cristallisé — 2

High-transparency quartz cluster with cassiterite and pyrite, Yaogangxian Mine, Hunan

Amas de quartz avec cassitérite et pyrite – Yaogangxian

5.6 cm (2.20 in) · Yaogangxian Mine, China

Green quartz with pseudocubic habit from Yaogangxian Mine, Chenzhou, Hunan

Quartz vert – faciès pseudocubique – mine de Yaogangxian, Hunan

3.8 cm (1.50 in) · Yaogangxian Mine, China

White botryoidal quartz with glassy surface, Fujian Province, China

Boule de quartz rayonnant, Fujian, Chine

3.8 cm (1.50 in) · Fujian Province, China

Smoky quartz crystal cluster from Erongo Mountains, Namibia, multiple points

Amas de cristaux de quartz limpide, montagnes d'Erongo, Namibie

5.8 cm (2.28 in) · Erongo Mountains, Namibia

Light blue botryoidal quartz with matte surface, Parvati Valley, Himachal Pradesh

Quartz botryoïdal, vallée de Parvati, Himachal Pradesh

9.4 cm (3.70 in) · India

Quartz mineral specimen from Lanwen Mine

Cristal de quartz, mine de Lanwen, Yunnan, Chine

9.4 cm (3.70 in) · Yunnan Province, China