Adular | Barras-Gautier-Min.https://static.wixstatic.com/media/daf8af_151402ae6a3e432ebd5388310f0d0eaf~mv2.jpg/v1/fit/w_500,h_500,q_90/file.jpg Dimension: 4.3 x 1.8 cm Origin: Plan-du-Lac, Saint-Christophe-en-Oisans, Isere, France Crystallization of adulars with W twin (Carlsbad?), Typical for this deposit. Beautiful quality crystals with shiny faces. Dimensions without the acrylic base, which is supplied with the mineralogical specimen. The sample is not glued to its support (flexible mastic).