| Property | Amethyst | Kunzite |
|---|---|---|
| Category | Semi-Precious Gems | Semi-Precious Gems |
| Primary Color | purple | various |
| Mohs Hardness | 7.0 | 6.0–7.0 |
| Specific Gravity | 2.65 | 3.15 |
| Refractive Index | 1.544 | 1.657 |
| Crystal System | Trigonal | Monoclinic |
| Luster | — | Vitreous |
| Chemical Formula | — | — |
| Price Tier | Moderate ($50-500/ct) | Moderate ($50-500/ct) |
| Daily Wear | はい | いいえ |
Key Differences
- ◆ {'gem_a': '7.0', 'gem_b': '6.0', 'property': 'Hardness (Mohs)'}
- ◆ {'gem_a': 'Trigonal', 'gem_b': 'Monoclinic', 'property': 'Crystal System'}
- ◆ {'gem_a': '2.65', 'gem_b': '3.15', 'property': 'Specific Gravity'}
- ◆ {'gem_a': '1.544', 'gem_b': '1.657', 'property': 'Refractive Index'}
- ◆ {'gem_a': 'N/A', 'gem_b': 'Vitreous', 'property': 'Luster'}
- ◆ {'gem_a': 'moderate', 'gem_b': 'moderate', 'property': 'Price Range'}
- ◆ {'gem_a': 'Yes', 'gem_b': 'No', 'property': 'Daily Wear'}
When to choose Amethyst
傷つきにくさや2月の誕生石としての意味を重視する方にはアメシストがお勧めです。婚約指輪や日常使いに最適です。
When to choose Kunzite
より高い輝きを求める方にはクンツァイトがお勧めです。コレクターピースや特別な場面のジュエリーに向いています。
Frequently Asked Questions
Which is harder, Amethyst or Kunzite?
Amethyst is harder at 7.0 on the Mohs scale, compared to Kunzite at 6.0-7.0. This makes Amethyst more resistant to scratching. Amethyst is suitable for daily wear, while kunzite requires more careful handling and is not ideal for daily wear.
Is Amethyst more expensive than Kunzite?
Amethyst and Kunzite are in a similar price range, both classified as moderately priced ($50-500/ct). Amethyst typically ranges moderately priced ($50-500/ct), while Kunzite ranges moderately priced ($50-500/ct).
Should I choose Amethyst or Kunzite for an engagement ring?
For an engagement ring, Amethyst is the stronger choice with a durability rating of 7/10. At 7.0 Mohs hardness, it can withstand daily wear well. Kunzite (6.0-7.0 Mohs) is softer and more prone to scratching with everyday use, making it better suited for occasional-wear jewelry.
How can I tell Amethyst and Kunzite apart?
There are several visual cues: Amethyst typically appears purple while Kunzite is various; Kunzite (RI 1.657-1.681) shows more brilliance than Amethyst (RI 1.544-1.553); they have different crystal systems — Amethyst is Trigonal and Kunzite is Monoclinic. A gemologist can confirm identification using refractive index testing.
Why do Amethyst and Kunzite look similar?
Amethyst and Kunzite look similar because both can show overlapping colors — Amethyst is purple and Kunzite is various.