Gemstones...
Minerals & Crystals
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Smart tools, fast performance, clean iOS design to help you get more done every day
Explore gemstones, minerals, and crystals through a structured reference.
Gemstones Guide helps you discover gemstones, crystals, and mineral stones through an organized offline reference. Learn about gemstone characteristics, mineral properties, and visual details for hundreds of stones commonly used in jewelry and geology.
The app provides structured gemstone information designed for collectors, students, jewelers, and anyone interested in minerals and crystals.
Gemstone Profiles
• Explore many gemstones and minerals
• Learn stone names and classifications
• Discover physical and optical properties
• Understand gemstone characteristics
Stone Information
• Hardness values and mineral properties
• Color variations and crystal structures
• Chemical composition
• Optical characteristics used in gemology
Stone Categories
• Precious gemstones such as diamond, ruby, sapphire, and emerald
• Semi-precious gemstones including amethyst, citrine, garnet, and opal
• Organic gemstones such as amber and pearl
• Synthetic and laboratory-created gemstones
Images and Visual Learning
• High-quality gemstone images
• Visual references for easier identification
• Clear presentation of stone appearance
Search and Filters
• Search gemstones quickly
• Filter stones by color
• Filter by hardness or chemical composition
• Explore stones through organized categories
Learning Tools
• Educational facts about gemstones
• Quiz mode to test gemology knowledge
• Glossary explaining gemstone terminology
Favorites
• Save gemstones for quick reference
• Review stones you want to study
Designed for Easy Exploration
• Clean and simple interface
• Fast navigation through gemstone entries
• Works fully offline
Premium Features
Upgrade for additional benefits:
• Ad-free experience
• Improved browsing convenience
• Additional content updates
Privacy Focused
• No unnecessary permissions
• No personal data collection
• Information remains on your device
Who This App Is For
• Gemstone collectors
• Jewelry enthusiasts
• Geology and gemology students
• Anyone interested in minerals and crystals
Gemstones Guide helps you explore stones, understand gemstone properties, and learn about minerals used in jewelry and geology.
Download Gemstones Guide to explore gemstones and minerals.
LICENSED APPLICATION END USER LICENSE AGREEMENT:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Upgraded libraries.
- Improved app performance.
The developer, Olga Ivanova, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Other Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Other Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Olga Ivanova
- Size
- 148.1 MB
- Category
- Education
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- stones_by_oliva_subscription $1.99
- stones_by_oliva_donation $1.99
- Copyright
- Copyright © 2026 Stones By Oliva All rights reserved. This app and its content are protected by copyright law and international treaties.