This application includes a wide theoretical framework were is explained how to do the classification of igneous rocks and in which cases can be applied the Streckeisen diagram. Also, is explained briefly how to use the TAS diagram, a diagram that represent the content of the rock of alkalis in front of silica.
Mario Izquierdo is the developer of the app which can be found in the Tools category. Over 1K users downloaded and installed Diagram QAPF / Streckeisen and the latest release was on Aug 15, 2018. Google Play shows that this application is rated 4.3 by its users.
You are able to download the setup package of Diagram QAPF / Streckeisen 0.0.39 for free and read users' reviews on Droid Informer. The app requires Android 4.0 and higher. The download of the app is safe and secure.