보석도감

Boss.mapwoo

Contains ads

About this app

What stories are hidden within sparkling gems?

Explore 120 gems and minerals through photos and illustrations in the Gemstone Atlas, and learn about their names, colors, hardness, composition, representative origins, and birthstones.

• Gemstone Atlas: Search by name, mineral, origin, nickname, or birthstone, and explore by color group.

• Photos and Illustrations: Alternate between actual gemstone photos and illustrations. You can also check the photographer and license of the photos.

• Custom Quiz: Select the color group and number of questions to study, and review gemstone names, minerals, and Mohs hardness.

• Gemstone Comparison: Compare the hardness and characteristics of two gemstones side by side.

• My Gemstone Box: Collect favorites, study progress, and incorrect answers to review later.

• Record Management: Back up and restore study records stored on your device as JSON files.

You can use the app without signing up, and study records are saved on your device by default. The app contains Google ads.

Gemstone hardness refers to the general range of Mohs hardness, and origins introduce some representative regions. This is a learning resource for studying gemstones and minerals.

Inquiries: [e-mail]

What’s new

보석도감 Android 첫 출시입니다.
120가지 보석과 광물을 사진과 그림으로 만나고, 퀴즈·보석함·비교 기능으로 재미있게 배워보세요.