Epidote
Mineral Group: Epidote Group
Key Properties
| Property | Value |
|---|---|
| Mohs Hardness | 6.5 (6-7) |
| Typical Size | 0.5-10 carats (commercial: 1-5 carats; typically small faceted stones) |
| Typical Price Range | $20-150 per carat (commercial: $30-80; small faceted stones) |
| Rarity Level | Limited Occurrence |
| Availability Level | Readily Available |
| Availability Driver | Readily Available |
| Investment Appropriateness | Non-Investment Gems |
Detailed Descriptions
Rarity Description: Occurs in metamorphic rocks and occasionally yields attractive gem material.
Availability Description: Often sold as minerals and occasional cabochons; faceted pieces are small and sold through niche channels.
Investment Description: Limited jewelry use and collector interest only; no investment market; small faceted stones primarily for collectors.
Colors
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Investment Ranking Calculation
The composite score of 30.62 is calculated using a weighted formula:
- Geological Rarity (25%): 65 points
- Market Availability (25%): 35 points
- Investment Appropriateness (25%): 5 points
- Hardness (12.5%): 10 points
- Price Range (12.5%): 25 points
Formula: (65 × 0.25) + (35 × 0.25) + (5 × 0.25) + (10 × 0.125) + (25 × 0.125) = 30.62
BEARISH
30.62
Score Components
Geo rarity
65
Mkt availability
35
Invest Appr
5
hardness
10
price
25