# Gemology Notes

> Gemology data & tools

Canonical page: [https://chrome-stats.com/d/id6797660418](https://chrome-stats.com/d/id6797660418)

## Overview

- **ID:** `id6797660418`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 际 郭
- **Category:** Education
- **Version:** 2.3.1
- **Last updated:** 2026-09-20
- **First published:** 2026-08-18
- **Size:** 30 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/gemology-notes/id6797660418)
- **Privacy policy:** [https://0x4ea.com/gemologynotesprivacy.html](https://0x4ea.com/gemologynotesprivacy.html)

## Description

Systematic Gemology Notes

An offline reference app dedicated to gemology learning, covering the fundamental properties, crystal structures, and systematic classification of common gemstones.

KEY FEATURES

• Gemstone Browser — Reference material organized by crystal system and gemstone species
• 3D Crystal Models — Interactive displays of each gemstone's crystal structure; rotate and zoom to examine every angle
• Detailed Notes — Systematic knowledge covering physical properties, optical characteristics, and key identification points
• Fully Offline — No internet connection required; study anywhere, anytime

Ideal for gemology students, professional gemologists and appraisers, jewelers, and collectors.

## Rankings

- #1,139,673 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6797660418)