Prehnite with Calcite

Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region  Tanzania

Specimen size: 3.4 × 2.3 × 2.2 cm = 1.34” × 0.91” × 0.87”
Main crystal size: 2.4 × 0.4 cm = 0.94” × 0.16”