RP10T5: Small isolated crystals of Heulandite-Ca that are translucent and very bright, with acicular crystals of Scolecite. The sample is from a very well known classic Swiss locality where zeolites are rare.
Val Giuv, side valley, Tujetsch (Tavetsch), Municipality of Tujetsch (Tavetsch), Surselva District, Grischun (Grisons; Graubünden)  Switzerland

Specimen size: 7.9 × 4.7 × 2.2 cm = 3.11” × 1.85” × 0.87”

Main crystal size: 0.4 × 0.2 cm = 0.16” × 0.08”