Minerals guide: Geology

Name: Minerals guide: Geology
Rating: 4.26 (1520 reviews)
Author: 99 Dictionaries: The world of terms

By: 99 Dictionaries: The world of terms

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

App Education

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:

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

Size:

21.09MB

Email:

99*****@gmail.com

URLs:

Website ,Privacy policy

Full description:

Source:

Google Play Store

Data ingested on:

2026-06-12

Compare stats and ranking:

Ranking

# 127,370 ▲ 1,040

For Developers

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Contact the developer

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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