Peridot (Olivine) vs Tsavorite
ペリドット（オリビン）とツァボライトはどちらも人気の緑色宝石です。ペリドットは8月の誕生石として人気があり、ツァボライトは硬度と輝きに優れています。
| Property | Peridot (Olivine) | Tsavorite |
|---|---|---|
| Category | Semi-Precious Gems | Semi-Precious Gems |
| Primary Color | green | various |
| Mohs Hardness | 6.5–7.0 | 7.0–7.5 |
| Specific Gravity | 3.27 | 3.55 |
| Refractive Index | 1.65 | 1.735 |
| Crystal System | Orthorhombic | Isometric |
| Luster | Vitreous,Greasy | — |
| Chemical Formula | — | — |
| Price Tier | Moderate ($50-500/ct) | Moderate ($50-500/ct) |
| Daily Wear | いいえ | はい |
Key Differences
- ◆ {'gem_a': '6.5', 'gem_b': '7.0', 'property': 'Hardness (Mohs)'}
- ◆ {'gem_a': 'Orthorhombic', 'gem_b': 'Isometric', 'property': 'Crystal System'}
- ◆ {'gem_a': '3.27', 'gem_b': '3.55', 'property': 'Specific Gravity'}
- ◆ {'gem_a': '1.65', 'gem_b': '1.735', 'property': 'Refractive Index'}
- ◆ {'gem_a': 'Vitreous,Greasy', 'gem_b': 'N/A', 'property': 'Luster'}
- ◆ {'gem_a': 'moderate', 'gem_b': 'moderate', 'property': 'Price Range'}
- ◆ {'gem_a': 'No', 'gem_b': 'Yes', 'property': 'Daily Wear'}
When to choose Peridot (Olivine)
8月の誕生石としての意味を重視する方や手頃な価格を求める方にはペリドット（オリビン）がお勧めです。
When to choose Tsavorite
傷つきにくさ・高い輝き・高品質を重視する方にはツァボライトがお勧めです。婚約指輪や日常使いに最適です。
Frequently Asked Questions
Which is harder, Peridot (Olivine) or Tsavorite?
Tsavorite is harder at 7.0-7.5 on the Mohs scale, compared to Peridot (Olivine) at 6.5-7.0. This makes Tsavorite more resistant to scratching. Tsavorite is suitable for daily wear, while peridot (olivine) requires more careful handling and is not ideal for daily wear.
Is Peridot (Olivine) more expensive than Tsavorite?
Peridot (Olivine) and Tsavorite are in a similar price range, both classified as moderately priced ($50-500/ct). Peridot (Olivine) typically ranges moderately priced ($50-500/ct), while Tsavorite ranges moderately priced ($50-500/ct).
Should I choose Peridot (Olivine) or Tsavorite for an engagement ring?
For an engagement ring, Tsavorite is the stronger choice with a durability rating of 7/10. At 7.0-7.5 Mohs hardness, it can withstand daily wear well. Peridot (Olivine) (6.5-7.0 Mohs) is softer and more prone to scratching with everyday use, making it better suited for occasional-wear jewelry.
How can I tell Peridot (Olivine) and Tsavorite apart?
There are several visual cues: Peridot (Olivine) typically appears green while Tsavorite is various; Tsavorite (RI 1.735-1.744) shows more brilliance than Peridot (Olivine) (RI 1.65-1.71); they have different crystal systems — Peridot (Olivine) is Orthorhombic and Tsavorite is Isometric. A gemologist can confirm identification using refractive index testing.
Why do Peridot (Olivine) and Tsavorite look similar?
Peridot (Olivine) and Tsavorite look similar because both can show overlapping colors — Peridot (Olivine) is green and Tsavorite is various.