Alexandrite vs Chrysoberyl
When choosing between Alexandrite and Chrysoberyl — two members of the same mineral family — consider that Alexandrite has a hardness of 8.5 Mohs and is fine/premium, while Chrysoberyl has a hardness of 8.5 Mohs and is fine/premium.
| Property | Alexandrite | Chrysoberyl |
|---|---|---|
| Category | Semi-Precious Gems | Semi-Precious Gems |
| Primary Color | various | various |
| Mohs Hardness | 8.5 | 8.5 |
| Specific Gravity | 3.69 | 3.69 |
| Refractive Index | 1.739 | 1.746 |
| Crystal System | Orthorhombic | Orthorhombic |
| Luster | — | — |
| Chemical Formula | — | — |
| Price Tier | Fine ($500-5,000/ct) | Fine ($500-5,000/ct) |
| Daily Wear | Yes | Yes |
Key Differences
- ◆ {'gem_a': '8.5', 'gem_b': '8.5', 'property': 'Hardness (Mohs)'}
- ◆ {'gem_a': 'Orthorhombic', 'gem_b': 'Orthorhombic', 'property': 'Crystal System'}
- ◆ {'gem_a': '3.69', 'gem_b': '3.69', 'property': 'Specific Gravity'}
- ◆ {'gem_a': '1.739', 'gem_b': '1.746', 'property': 'Refractive Index'}
- ◆ {'gem_a': 'N/A', 'gem_b': 'N/A', 'property': 'Luster'}
- ◆ {'gem_a': 'fine', 'gem_b': 'fine', 'property': 'Price Range'}
- ◆ {'gem_a': 'Yes', 'gem_b': 'Yes', 'property': 'Daily Wear'}
When to choose Alexandrite
Choose Alexandrite when you want comparable durability, and its significance as the modern June birthstone. It's ideal for engagement rings and everyday jewelry.
When to choose Chrysoberyl
Choose Chrysoberyl when you want comparable durability, and higher brilliance and light performance. It's ideal for engagement rings and everyday jewelry.
Frequently Asked Questions
Which is harder, Alexandrite or Chrysoberyl?
Alexandrite and Chrysoberyl have the same Mohs hardness of 8.5, so neither is more scratch-resistant than the other. Alexandrite is suitable for daily wear, and chrysoberyl is suitable for daily wear.
Is Alexandrite more expensive than Chrysoberyl?
Alexandrite and Chrysoberyl are in a similar price range, both classified as fine/premium ($500-5,000/ct). Alexandrite typically ranges fine/premium ($500-5,000/ct), while Chrysoberyl ranges fine/premium ($500-5,000/ct).
Should I choose Alexandrite or Chrysoberyl for an engagement ring?
Both Alexandrite and Chrysoberyl can work for engagement rings since both are suitable for daily wear. Alexandrite has a slight edge with a durability rating of 9/10 with 8.5 Mohs hardness, while Chrysoberyl comes in at 8.5 Mohs. Your choice may come down to color preference and budget.
How can I tell Alexandrite and Chrysoberyl apart?
There are several visual cues: both appear various, but often in different saturations. A gemologist can confirm identification using refractive index testing.
Are Alexandrite and Chrysoberyl the same mineral?
Yes, both Alexandrite and Chrysoberyl belong to the unknown group mineral group. Despite being related, they differ in color, value, and sometimes durability.