Gems tone Guide, where from they describe its color, hardness, index of refraction, specific weight and main sites.
DeNAide is the creator of Gems which belongs to the Books & Reference category. The latest update was on Jul 21, 2014 and the tool was downloaded and set up by over 1K users. The overall rating for this application is 3.6 on Google Play.
Use the opportunity to download the installer of Gems 1.0 for free and read users' reviews on Droid Informer. The app is built for Android 2.2 and above. The app is totally secure for downloading.