Musgravite
Mineral Group: Spinel Group
Key Properties
| Property | Value |
|---|---|
| Mohs Hardness | 8.25 (8-8.5) |
| Typical Size | 0.1-3 carats (commercial: 0.25-1 carat; extremely rare in any size) |
| Typical Price Range | $10,000-50,000+ per carat (commercial: $20,000-35,000; among rarest gemstones) |
| Rarity Level | Singular Occurrence |
| Availability Level | Museum Grade Rarity |
| Availability Driver | Limited Deposits |
| Investment Appropriateness | Speculative Collector Gems |
Detailed Descriptions
Rarity Description: Among the rarest gemstones; found in tiny quantities and valued by collectors.
Availability Description: Only a handful of gem-quality stones are traded among elite collectors and auction houses; virtually no mainstream retail presence.
Investment Description: Among world's rarest gemstones; virtually no market liquidity; museum-quality rarity with exceptional prices; highly speculative with long holding periods required.
Colors
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Investment Ranking Calculation
The composite score of 83.12 is calculated using a weighted formula:
- Geological Rarity (25%): 100 points
- Market Availability (25%): 100 points
- Investment Appropriateness (25%): 50 points
- Hardness (12.5%): 65 points
- Price Range (12.5%): 100 points
Formula: (100 × 0.25) + (100 × 0.25) + (50 × 0.25) + (65 × 0.125) + (100 × 0.125) = 83.12
VERY BULLISH
83.12
Score Components
Geo rarity
100
Mkt availability
100
Invest Appr
50
hardness
65
price
100