Opaque Hauyne

Mineral Group: Sodalite Group

Key Properties

Property Value
Mohs Hardness 5.75 (5.5-6)
Typical Size 0.5-10 carats (commercial: 1-5 carats; larger stones rare)
Typical Price Range $100-1,000+ per carat (commercial: $200-600; fine opaque blue $600-1,000+)
Rarity Level Unique Geological
Availability Level Collectors Market
Availability Driver Limited Deposits
Investment Appropriateness Collector Gems

Detailed Descriptions

Rarity Description: Opaque variety of hauyne with vivid blue color. Distinct from transparent hauyne in pricing and market. Primarily used for carvings and cabochons. Rarer than transparent material.

Availability Description: Available through specialty dealers; opaque material less common than transparent; collector and artisan interest.

Investment Description: Opaque blue hauyne with distinct market from transparent variety; established collector interest; good appreciation potential for fine specimens; primarily decorative use.

MODERATELY BULLISH
51.25

Score Components

Geo rarity
85
Mkt availability
85
Invest Appr
0
hardness
5
price
65

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Investment Ranking Calculation

The composite score of 51.25 is calculated using a weighted formula:

  • Geological Rarity (25%): 85 points
  • Market Availability (25%): 85 points
  • Investment Appropriateness (25%): 0 points
  • Hardness (12.5%): 5 points
  • Price Range (12.5%): 65 points

Formula: (85 × 0.25) + (85 × 0.25) + (0 × 0.25) + (5 × 0.125) + (65 × 0.125) = 51.25

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