Explore diamond characteristics using interactive sliding scales for color, clarity, cut, and carat weight. Read educational articles on diamond buying, including differences between natural and lab-grown stones.
by Gemological Institute of America, Inc.★ 4.8222 ratingsEducationFreeData updated 2026-09-06
The app presents Halloween-themed coloring pages that teach children arithmetic, letters, and shapes. It features a simple interface, a customizable color palette, and visual and sound effects.
Identify rocks and minerals using visual matching and descriptions. Add specimens to a collection with photos and notes. Learn geology facts through built-in quizzes and guides. Track collection progress with sorting and categorization tools.
