Spessartine
Mineral Group: Garnet Group
Key Properties
| Property | Value |
|---|---|
| Mohs Hardness | 7.25 (7-7.5) |
| Typical Size | 0.5-15 carats (commercial: 1-8 carats; Mandarin garnets typically smaller) |
| Typical Price Range | $50-1,000+ per carat (commercial: $100-400; vivid Mandarin orange $500-1,000+) |
| Rarity Level | Limited Occurrence |
| Availability Level | Readily Available |
| Availability Driver | Readily Available |
| Investment Appropriateness | Fashion/Trend Gems |
Detailed Descriptions
Rarity Description: Manganese-aluminum garnet; fine orange specimens are less common but deposits exist in several regions.
Availability Description: Orange to red-orange spessartine (Mandarin garnet) is popular in jewelry; available through specialty dealers and retail jewelers.
Investment Description: Mandarin garnet variety has collector appeal; vivid orange stones command premiums; moderate market with some appreciation for finest colors; trend-sensitive pricing.
Colors
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Investment Ranking Calculation
The composite score of 42.5 is calculated using a weighted formula:
- Geological Rarity (25%): 65 points
- Market Availability (25%): 35 points
- Investment Appropriateness (25%): 25 points
- Hardness (12.5%): 25 points
- Price Range (12.5%): 65 points
Formula: (65 × 0.25) + (35 × 0.25) + (25 × 0.25) + (25 × 0.125) + (65 × 0.125) = 42.5
BEARISH
42.5
Score Components
Geo rarity
65
Mkt availability
35
Invest Appr
25
hardness
25
price
65