# Rocks, Minerals, Crystal Guide

> Learn complete rocks, minerals, crystals and gemstone guide. With complete guide

Canonical page: [https://chrome-stats.com/d/com.alphazstudio.Geology](https://chrome-stats.com/d/com.alphazstudio.Geology)

## Overview

- **ID:** `com.alphazstudio.Geology`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Alpha Z Studio
- **Category:** EDUCATION
- **Downloads:** 25,294
- **Rating:** 3.64 / 5 (82 ratings)
- **Version:** 1.0.1
- **Last updated:** 2025-04-19
- **First published:** 2023-04-02
- **Publisher country:** PK
- **Size:** 30 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.alphazstudio.Geology)
- **Website:** [https://alpha-z-studio.blogspot.com](https://alpha-z-studio.blogspot.com/)
- **Privacy policy:** [https://www.termsfeed.com/live/10beee51-710c-4f7e-a683-8f0d5e30ab71](https://www.termsfeed.com/live/10beee51-710c-4f7e-a683-8f0d5e30ab71)

## Description

The "Rocks, Minerals, Crystal Guide" Chrome extension offers an in-depth exploration of geological materials, including rocks, minerals, crystals, and gemstones. It explains the formation processes of different rock types—igneous, sedimentary, and metamorphic—and details how minerals are defined by their chemical compositions and crystal structures. Users can understand various physical properties that distinguish minerals, such as hardness and luster.

The guide also covers crystal systems and the molecular structure of crystals, highlighting how atoms arrange in well-organized patterns to form distinct shapes. Additionally, the extension explains gemstones — minerals or organic materials valued for their beauty and durability. It describes the cutting and polishing process that reveals their vivid colors and luster, making them prized jewelry components and collector's items. This resource is ideal for enthusiasts, students, or anyone interested in earth sciences and gemology.

## Rankings

- #394,548 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_MEDIA_AUDIO`
- `android.permission.READ_MEDIA_IMAGES`
- `android.permission.READ_MEDIA_VIDEO`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.RINGTONE`
- `android.permission.SET_WALLPAPER`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `android.permission.WRITE_SETTINGS`
- `com.alphazstudio.Geology.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users appreciate the informative and educational nature of the app, finding it interesting and enjoyable for learning about rocks and minerals. However, many express frustration with frequent ads and aggressive premium upselling, which limit access to full content. Technical issues like crashes and unreliable information delivery also detract from the experience. Overall, while content quality is praised, ads and payment barriers negatively impact user satisfaction.

### Pros

- Informative and educational content about rocks, minerals, and crystals.
- User-friendly and enjoyable learning experience.
- Interesting and well-presented content with good illustrations.
- Generally positive user satisfaction with the app's core purpose.

### Cons

- Frequent and intrusive advertisements interrupt user experience.
- App pushes users to buy the premium version quickly, limiting free content.
- App crashes often and fails to provide information reliably.
- Misleading promotional claims about the app being free when much content requires payment.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.alphazstudio.Geology)