Figure 4.07. Kalsilite-Silica Diagram Label Question. This diagram has five mineral phases: kalsilite (Kls - KAlSiO4), leucite (Lct - KAl2Si2O6), sanidine (Sa - KAlSi3O8), tridymite (Trd - SiO2), and cristobalite (Crd - SiO2). Drag and drop labels from the list on the right to the label boxes for the various regions of this diagram. Every correct drop is worth 2 points. Every incorrect drop costs one point. You can move a label if it is not placed correctly. After you have tested your labeling skills, you can see the diagram correctly labeled by clicking here: