Lapis lazuli vs Sodalite
Both popular gemstones that share a similar color palette, Lapis lazuli and Sodalite are frequently compared by gemstone enthusiasts. Lapis lazuli scores 5.5 on the Mohs hardness scale while Sodalite scores 5.0. Price-wise, Lapis lazuli is budget-friendly and Sodalite is budget-friendly.
| Property | Lapis lazuli | Sodalite |
|---|---|---|
| Category | Semi-Precious Gems | Semi-Precious Gems |
| Primary Color | blue | various |
| Mohs Hardness | 5.5 | 5.0–6.0 |
| Specific Gravity | 2.5 | 2.15 |
| Refractive Index | 1.5 | 1.478 |
| Crystal System | Isometric | Isometric |
| Luster | Vitreous,Greasy | Vitreous,Greasy |
| Chemical Formula | — | — |
| Price Tier | Budget (< $50/ct) | Budget (< $50/ct) |
| Daily Wear | No | No |
Key Differences
- ◆ {'gem_a': '5.5', 'gem_b': '5.0', 'property': 'Hardness (Mohs)'}
- ◆ {'gem_a': 'Isometric', 'gem_b': 'Isometric', 'property': 'Crystal System'}
- ◆ {'gem_a': '2.5', 'gem_b': '2.15', 'property': 'Specific Gravity'}
- ◆ {'gem_a': '1.5', 'gem_b': '1.478', 'property': 'Refractive Index'}
- ◆ {'gem_a': 'Vitreous,Greasy', 'gem_b': 'Vitreous,Greasy', 'property': 'Luster'}
- ◆ {'gem_a': 'budget', 'gem_b': 'budget', 'property': 'Price Range'}
- ◆ {'gem_a': 'No', 'gem_b': 'No', 'property': 'Daily Wear'}
When to choose Lapis lazuli
Choose Lapis lazuli when you want superior hardness and scratch resistance, and higher brilliance and light performance. It's ideal for collector specimens and carefully worn jewelry.
When to choose Sodalite
Choose Sodalite when you want its unique color and character. It's ideal for collector specimens and carefully worn jewelry.
Frequently Asked Questions
Which is harder, Lapis lazuli or Sodalite?
Lapis lazuli is harder at 5.5 on the Mohs scale, compared to Sodalite at 5.0-6.0. This makes Lapis lazuli more resistant to scratching. Lapis lazuli requires more careful handling and is not ideal for daily wear, while sodalite requires more careful handling and is not ideal for daily wear.
Is Lapis lazuli more expensive than Sodalite?
Lapis lazuli and Sodalite are in a similar price range, both classified as budget-friendly (under $50/ct). Lapis lazuli typically ranges budget-friendly (under $50/ct), while Sodalite ranges budget-friendly (under $50/ct).
Should I choose Lapis lazuli or Sodalite for an engagement ring?
Neither Lapis lazuli nor Sodalite is ideal for an engagement ring worn daily. Lapis lazuli (5.5 Mohs) is the more durable of the two, while Sodalite (5.0-6.0 Mohs) is softer. If you choose either, consider a protective setting like a bezel.
How can I tell Lapis lazuli and Sodalite apart?
There are several visual cues: Lapis lazuli typically appears blue while Sodalite is various. A gemologist can confirm identification using refractive index testing.
Why do Lapis lazuli and Sodalite look similar?
Lapis lazuli and Sodalite look similar because both can show overlapping colors — Lapis lazuli is blue and Sodalite is various.