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