TF69AB2: A novelty at Tucson 2015. Extraordinarily sharp japan law twin with very well defined and transparent crystals. We note that the japan law twin, already rare, is even more rare in Alpine type crevices where this Quartz is formed. The sample is a floater with a recrystallized base.
The specimen has been published in the magazine ‘extraLAPIS’ on page 26, number 53, "Zwillinge"
Arun Valley, Mount Makalu, Mahalangur Himalayas  Nepal (2014)

Specimen size: 5.4 × 5.2 × 2.2 cm = 2.13” × 2.05” × 0.87”

Main crystal size: 4.5 × 2.5 cm = 1.77” × 0.98”