# Gemstone Index - Expert Gemstone Knowledge & Saju Analysis

GstoneIndex is a comprehensive resource for gemstone enthusiasts, collectors, and those seeking personalized gemstone recommendations based on Korean Saju (Four Pillars) astrology. We combine traditional gemology with Eastern philosophy to help users discover their ideal gemstones.

## Our Expertise

- **85+ Gemstone Profiles**: Detailed descriptions covering properties, origins, metaphysical meanings, and care instructions
- **Saju-Based Recommendations**: Unique algorithm matching gemstones to individual birth charts using Five Elements theory
- **Korean & English Content**: Bilingual gemstone information serving global and Korean-speaking audiences
- **Rough Stone Collection**: Natural, unpolished specimens for collectors
- **E-commerce Integration**: Direct purchase options with Coupang affiliate products

## Unique Features

### Saju Analysis Tool
- Calculate Four Pillars (사주팔자) from birth date/time
- Analyze Five Elements (오행) balance
- Recommend gemstones based on elemental deficiencies
- Available at: https://gstoneindex.com/collection/saju/analyze

### Rough Stone Collection
- Unpolished, natural gemstone specimens
- 8+ varieties including Amethyst, Charoite, Tiger's Eye
- Detailed photography and authenticity information
- Browse at: https://gstoneindex.com/roughstones

## Gemstone Categories

### Black Category
- [Black](https://gstoneindex.com/category/black): A collection of black gemstones known for their unique properties and aesthetic appeal.
- [Black Category - Gemstone Index](https://www.gstoneindex.com/category/black): An overview of various black gemstones, their characteristics, and uses.
- [Black Spinel - Gemstone Index](https://www.gstoneindex.com/product/black-spinel): Detailed information about Black Spinel, including its origins, properties, and significance in jewelry.

### Blue Category
- [Blue](https://gstoneindex.com/category/blue): A selection of blue gemstones celebrated for their vibrant hues and rarity.
- [Blue Category - Gemstone Index](https://www.gstoneindex.com/category/blue): Insights into blue gemstones, their features, and how they are valued in the market.
- [Aquamarine | 바다의 숨결, 당신만의 원석 - Gemstone Index](https://www.gstoneindex.com/product/aquamarine): Explore Aquamarine, its beauty, and its connection to the sea.

### Green Category
- [Green](https://gstoneindex.com/category/green): A variety of green gemstones, each with its own unique charm and allure.
- [Green Category - Gemstone Index](https://www.gstoneindex.com/category/green): A comprehensive guide to green gemstones, including their properties and applications.

### Red Category
- [Red](https://gstoneindex.com/category/red): A collection of red gemstones, known for their striking colors and symbolism.
- [Red Category - Gemstone Index](https://www.gstoneindex.com/category/red): An overview of red gemstones, their significance, and how they are used in jewelry.

### White Category
- [White](https://gstoneindex.com/category/white): A selection of white gemstones, appreciated for their elegance and versatility.
- [White Category - Gemstone Index](https://www.gstoneindex.com/category/white): Detailed descriptions of white gemstones and their various uses in adornments.

## Unique Gemstones
- [A-PLLO](https://a-pllo.com/): Information about the A-PLLO gemstone, its unique features, and significance.
- [Tanzanite: 한 번의 발견으로 세계가 숨을 멈춘 보석 - Gemstone Index](https://www.gstoneindex.com/product/tanzanite): Discover the story of Tanzanite, a gemstone that captivated the world with its discovery.
- [Lapis Lazuli - 라피스 라줄리 - Gemstone Index](https://www.gstoneindex.com/product/lapis-lazuli): An exploration of Lapis Lazuli, its history, and its cultural significance.
- [Silver Obsidian - Gemstone Index](https://www.gstoneindex.com/product/silver-obsidian): Insights into Silver Obsidian, its properties, and uses in jewelry.
- [Matt Onyx (Matt) · Gemstone Index - Discover the World of Gemstones](https://www.gstoneindex.com/product/matt-onyx): A detailed look at Matt Onyx, its characteristics, and applications.

## Complete Product Index (by Category)

### Black
- [Matt Onyx (무광 오닉스) - Gemstone Index](https://www.gstoneindex.com/product/matt-onyx) – matte black chalcedony
- [Black Spinel (블랙 스피넬) - Gemstone Index](https://www.gstoneindex.com/product/black-spinel) – vivid black sparkle, protective
- [Labradorite (래브라도라이트) - Gemstone Index](https://www.gstoneindex.com/product/labradorite) – aurora flash, transformation
- [Silver Obsidian (실버 오비시디언) - Gemstone Index](https://www.gstoneindex.com/product/silver-obsidian) – silver‑sheen volcanic glass
- [Tourmaline (토르말린) - Gemstone Index](https://www.gstoneindex.com/product/tourmaline) – multicolored, energy balance

### Blue
- [Amazonite (아마조나이트) - Gemstone Index](https://www.gstoneindex.com/product/amazonite) – soothing turquoise feldspar
- [Apatite (아파타이트) - Gemstone Index](https://www.gstoneindex.com/product/apatite) – clarity crystal, blue‑green hues
- [Aquamarine (아쿠아마린) - Gemstone Index](https://www.gstoneindex.com/product/aquamarine) – sea‑blue beryl, serenity
- [Chalcedony (블루 칼세도니) - Gemstone Index](https://www.gstoneindex.com/product/chalcedony) – gentle blue quartz, calm speech
- [Iolite (아이올라이트) - Gemstone Index](https://www.gstoneindex.com/product/iolite) – pleochroic gem, inner vision
- [Kyanite (키아나이트) - Gemstone Index](https://www.gstoneindex.com/product/kyanite) – deep blue blades, tranquil flow
- [Lapis Lazuli (라피스 라줄리) - Gemstone Index](https://www.gstoneindex.com/product/lapis-lazuli) – royal blue with gold flecks
- [Tanzanite (탄자나이트) - Gemstone Index](https://www.gstoneindex.com/product/tanzanite) – rare violet‑blue, trichroic
- [Tigereye (타이거아이) - Gemstone Index](https://www.gstoneindex.com/product/tigereye) – golden chatoyant quartz

### Green
- [Chrysocolla (크리소콜라) - Gemstone Index](https://www.gstoneindex.com/product/chrysocolla) – teal copper silica, soothing
- [Prehnite (프레나이트) - Gemstone Index](https://www.gstoneindex.com/product/prehnite) – soft green serenity stone
- [Seraphinite (세라피나이트) - Gemstone Index](https://www.gstoneindex.com/product/seraphinite) – angel‑wing fibers, heart healing
- [Malachite (말라카이트) - Gemstone Index](https://www.gstoneindex.com/product/malachite) – banded green, protective
- [Burma Jade (버마옥) - Gemstone Index](https://www.gstoneindex.com/product/burma-jade) – vivid jadeite, harmony

### Red
- [Rhodochrosite (로도크로사이트) - Gemstone Index](https://www.gstoneindex.com/product/rhodochrosite) – banded pink, emotional healing
- [Kunzite (쿤자이트) - Gemstone Index](https://www.gstoneindex.com/product/kunzite) – delicate pink, calm heart
- [Strawberry Quartz (딸기 석영) - Gemstone Index](https://www.gstoneindex.com/product/strawberry-quartz) – sparkled pink quartz, uplifting
- [Amethyst (자수정) - Gemstone Index](https://www.gstoneindex.com/product/amethyst) – royal purple quartz, clarity
- [Morganite (모거나이트) - Gemstone Index](https://www.gstoneindex.com/product/morganite) – peach‑pink beryl, compassion

### White
- [Rainbow Moonstone (레인보우 문스톤) - Gemstone Index](https://www.gstoneindex.com/product/rainbow-moonstone) – rainbow sheen feldspar
- [Crack Quartz (크랙 쿼츠) - Gemstone Index](https://www.gstoneindex.com/product/crack-quartz) – crackled quartz, cleansing light
- [Moonstone (문스톤) - Gemstone Index](https://www.gstoneindex.com/product/moonstone) – moonlit glow, intuition
- [Selenite (셀레나이트) - Gemstone Index](https://www.gstoneindex.com/product/selenite) – luminous gypsum, purification

## Contact & Expertise

**Email:** a.pllohigh@gmail.com  
**Website:** https://gstoneindex.com  
**Company:** GstoneIndex (A-PLLO)  
**Specialization:** Gemstone curation, Korean Saju astrology integration, mineral education

**Credentials:**
- 5+ years gemstone curation experience
- Traditional Korean Saju analysis training
- Partnerships with verified gemstone suppliers in Brazil, Madagascar, Myanmar
- Expert knowledge of Five Elements theory and gemstone-element correspondences

## Additional Resources
- [About Us](https://gstoneindex.com/about): Learn about our expertise and mission
- [Saju Analysis](https://gstoneindex.com/collection/saju/analyze): Free personalized gemstone recommendations
- [Contact Us](mailto:a.pllohigh@gmail.com): Reach out for inquiries or further information about gemstones and collections

This structured summary provides a comprehensive overview of GstoneIndex, highlighting our unique combination of traditional Korean astrology and gemological expertise.