| Property | Pyrope | Ruby |
|---|---|---|
| Category | Semi-Precious Gems | Precious Gems |
| Primary Color | various | red |
| Mohs Hardness | 7.0–7.5 | 9.0 |
| Specific Gravity | 3.62 | 3.97 |
| Refractive Index | 1.72 | 1.762 |
| Crystal System | Isometric | Trigonal |
| Luster | Vitreous | — |
| Chemical Formula | — | — |
| Price Tier | Moderate ($50-500/ct) | Investment ($5,000+/ct) |
| Daily Wear | はい | はい |
Key Differences
- ◆ {'gem_a': '7.0', 'gem_b': '9.0', 'property': 'Hardness (Mohs)'}
- ◆ {'gem_a': 'Isometric', 'gem_b': 'Trigonal', 'property': 'Crystal System'}
- ◆ {'gem_a': '3.62', 'gem_b': '3.97', 'property': 'Specific Gravity'}
- ◆ {'gem_a': '1.72', 'gem_b': '1.762', 'property': 'Refractive Index'}
- ◆ {'gem_a': 'Vitreous', 'gem_b': 'N/A', 'property': 'Luster'}
- ◆ {'gem_a': 'moderate', 'gem_b': 'investment', 'property': 'Price Range'}
- ◆ {'gem_a': 'Yes', 'gem_b': 'Yes', 'property': 'Daily Wear'}
When to choose Pyrope
より手頃な価格を求める方にはパイロープがお勧めです。婚約指輪や日常使いのジュエリーにも適しています。
When to choose Ruby
傷つきにくさ・希少性・高品質を重視する方、または7月の誕生石を探している方にルビーがお勧めです。
Frequently Asked Questions
Which is harder, Pyrope or Ruby?
Ruby is harder at 9.0 on the Mohs scale, compared to Pyrope at 7.0-7.5. This makes Ruby more resistant to scratching. Ruby is suitable for daily wear, while pyrope is suitable for daily wear.
Is Pyrope more expensive than Ruby?
No, Pyrope is generally less expensive. Pyrope is classified as moderately priced ($50-500/ct) at moderately priced ($50-500/ct), while Ruby is investment-grade ($5,000+/ct) at investment-grade ($5,000+/ct).
Should I choose Pyrope or Ruby for an engagement ring?
Both Pyrope and Ruby can work for engagement rings since both are suitable for daily wear. Ruby has a slight edge with a durability rating of 10/10 with 9.0 Mohs hardness, while Pyrope comes in at 7.0-7.5 Mohs. Your choice may come down to color preference and budget.
How can I tell Pyrope and Ruby apart?
There are several visual cues: Pyrope typically appears various while Ruby is red; they have different crystal systems — Pyrope is Isometric and Ruby is Trigonal. A gemologist can confirm identification using refractive index testing.
Why do Pyrope and Ruby look similar?
Pyrope and Ruby look similar because both can show overlapping colors — Pyrope is various and Ruby is red.