Quartz var. Japan-law Twin
SiO2
Narushima Island, Nagasaki Pref., Japan
長崎県南松浦郡奈留町（奈留島）
Quartz var. Japan-law Twin
SiO2
Narushima Island, Nagasaki Pref., Japan
長崎県南松浦郡奈留町（奈留島）
| A matrix specimen consisting of about 10(!) Japan-law Twin Quartz crystals. Narushima is a famous locality for the species. |