Android Giveaway of the Day - Minerals Guide (+ Identifier)

"Minerals Guide" is a beautiful, minimalistic and easy-to-use application.

Features:

• Filter minerals by color, streak and mineral hardness;
• No ads;
• Over 1400 minerals;
• Quick info page for each mineral;
• Wikipedia arcticle for each mineral included;
• Search for minerals by names;
• Add minerals to your favorites;
• Dark mode