Orthoclase
Mineral Group: Feldspar Group
Key Properties
| Property | Value |
|---|---|
| Mohs Hardness | 6.0 (6) |
| Typical Size | 1-20 carats (commercial: 2-10 carats; faceted material less common) |
| Typical Price Range | $10-100 per carat (commercial: $20-60; faceted material collector grade) |
| Rarity Level | Abundant Minerals |
| Availability Level | Limited Supply |
| Availability Driver | Limited Deposits |
| Investment Appropriateness | Non-Investment Gems |
Detailed Descriptions
Rarity Description: Common feldspar mineral but transparent gem-quality crystals suitable for faceting are relatively uncommon.
Availability Description: Faceted orthoclase is mainly collector-oriented; yellow and champagne colors appear occasionally through specialty dealers.
Investment Description: Limited demand for faceted material; primarily collector-oriented with small market; no significant investment potential due to limited desirability.
Colors
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Investment Ranking Calculation
The composite score of 30.62 is calculated using a weighted formula:
- Geological Rarity (25%): 35 points
- Market Availability (25%): 65 points
- Investment Appropriateness (25%): 5 points
- Hardness (12.5%): 10 points
- Price Range (12.5%): 25 points
Formula: (35 × 0.25) + (65 × 0.25) + (5 × 0.25) + (10 × 0.125) + (25 × 0.125) = 30.62
BEARISH
30.62
Score Components
Geo rarity
35
Mkt availability
65
Invest Appr
5
hardness
10
price
25