Andrei Ionut Apopei

3D Crystal Forms Pro is a complete android application which is mainly addressed to Earth Science st

The Virtual Microscope - Minerals is a professional and interactive virtual petrographic microscope

The Virtual Microscope - Ore Minerals is a professional and interactive virtual petrographic microsc

Handbook of Rocks is a free android application with the complete list of rock types (igneous, metam

Geology Toolkit is a complete android application which allows geologists to examine and explore min

Geology Toolkit is a thoroughly practical, lively and comprehensive application which allows geologi

Madrid packs in a fantastic array of museums and monuments, parks and gardens, plus great shopping,

Handbook of Mineralogy is a free android application with the complete list of minerals approved by

Architects AZ is a practical, lively and comprehensive application which gives you access to a compl

The clearest and sharpest recognition guides to the natural world, Handbook of Fossils make identifi