Calcite on Prehnite | Barras-Gautier-Min.https://static.wixstatic.com/media/daf8af_a71c45f062924f42a8fef51c0261d1f0~mv2.jpg/v1/fit/w_500,h_500,q_90/file.jpg Dimension: 3.5 x 1.3 cm Origin: Aurangabad District, Maharashtra province, India Forming a very aesthetic and original architecture, small balls of calcite crystallized on a Prehnite stalactite. Dimensions without the acrylic base, which is supplied with the mineralogical specimen. The sample is not glued to its support (flexible mastic).