Minerals guide: Geology Android

Minerals guide: Geology

Minerals guide: Smart Mineralogist - Geology Toolkit. Stones

Features & Capabilities

Minerals Guide: Geology Toolkit is your comprehensive offline encyclopedia for mineralogy and geology. Designed for geologists and enthusiasts alike, this free handbook covers essential terminology and concepts about minerals, rocks, crystals, and gemstones. It offers detailed information on physical properties such as hardness, color, luster, and specific gravity, alongside insights into mineral formation, crystallography, and classification.

With advanced search and voice recognition features, the toolkit allows easy exploration of around 4000 stones with unique characteristics. The app supports offline access, eliminating data costs, and includes hundreds of examples to aid mineral identification and study. Whether you're a professional or a hobbyist, this Minerals Guide is an invaluable resource to have on hand for deepening your understanding of mineral sciences.

User Growth & Download Statistics

By:
99 Dictionaries: The world of terms
Downloads:
294,232 214
Rating:
4.26
(1,520)
2 new ratings
Version:
3.9.1 Last updated: 2025-02-07
Version code:
16002291
Creation date:
2020-04-04
Publisher country:
ES ES
Permissions:
  • android.permission.READ_EXTERNAL_STORAGE High risk
  • android.permission.WRITE_EXTERNAL_STORAGE High risk
  • com.google.android.gms.permission.AD_ID Moderate risk
  • android.permission.ACCESS_ADSERVICES_AD_ID Low risk
  • android.permission.ACCESS_ADSERVICES_ATTRIBUTION Low risk
  • android.permission.FOREGROUND_SERVICE Low risk
  • android.permission.INTERNET Low risk
  • android.permission.WAKE_LOCK Low risk
  • com.android.vending.BILLING Low risk
  • com.google.android.c2dm.permission.RECEIVE Low risk
  • See more
Size:
21.09MB
Email:
99*****@gmail.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-06-12
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
99 Dictionaries: The world of terms
Google Play Store
https://play.google.com/store/apps/details?id=com.dictionary.MineralsGuide.Geology
Email:
99*****@gmail.com
Website:
https://c49caa863.app-ads-txt.com

User Reviews

Users praise the app for broad, well-organized mineral information and easy-to-understand explanations, plus helpful visuals for study. Common drawbacks are intrusive ads and image-related problems (wrong/missing pictures, loading failures, and no zoom). Some note coverage gaps, but overall sentiment is positive with room for content and UI improvements.
Pros
  • Extensive, well-organized mineral information that is easy to understand
  • Clear explanations and learning-friendly content
  • Good pictures and visual aids that help learning
  • Useful organizational features for collectors (alphabetical listing and markers)
Cons
  • Ads are intrusive with a pay-to-remove-ads option which some users dislike
  • Image-loading issues including wrong or missing pictures and lack of zoom on photos
Recent reviews
Nice App
by Ch*****, 2026-04-17

It's good
by Gi*****, 2026-02-25

wrong pictures for minerals, lacks basic minerals
by Ha*****, 2025-12-01
View all user reviews ›

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