Tiger's Eye
Mineral Group: Quartz Group
Key Properties
| Property | Value |
|---|---|
| Mohs Hardness | 7.0 (7) |
| Typical Size | 1-100+ carats (commercial: any size for cabochons) |
| Typical Price Range | $1-20 per carat (commercial: $3-10; golden brown chatoyancy) |
| Rarity Level | Abundant Minerals |
| Availability Level | Consistently Available |
| Availability Driver | Consistent Deposits |
| Investment Appropriateness | Non-Investment Gems |
Pricing
Typical Price
$15.00
per carat
Listing Price
N/A
per carat
Sold Price
N/A
per carat
Discount Level
N/A
vs typical
Price Calculator
| Estimate Type | Total Value | Price per Carat |
|---|---|---|
| Typical Cost | - | - |
| Likely Listed Cost | - | - |
| Likely Sold Cost | - | - |
Detailed Descriptions
Rarity Description: Fibrous quartz with chatoyancy; golden brown most common, red and blue available.
Availability Description: Widely available globally; popular for men's jewelry and carvings.
Investment Description: Common ornamental stone; no investment potential; decorative use.
VERY BEARISH
16.25
Score Components
Geo rarity
35
Mkt availability
10
Invest Appr
5
hardness
25
price
5
Buy This Gem
Investment Ranking Calculation
The composite score of 16.25 is calculated using a weighted formula:
- Geological Rarity (25%): 35 points
- Market Availability (25%): 10 points
- Investment Appropriateness (25%): 5 points
- Hardness (12.5%): 25 points
- Price Range (12.5%): 5 points
Formula: (35 × 0.25) + (10 × 0.25) + (5 × 0.25) + (25 × 0.125) + (5 × 0.125) = 16.25
Current Listings
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Other gems in the Quartz Group:
| Gem Type | Investment Ranking | Typical Price | Listing Price | Sold Price |
|---|---|---|---|---|
| Smoky Quartz | Non-Investment Gems | $30.00/ct | $0.60/ct | $0.26/ct |
| Ametrine | Fashion/Trend Gems | $25.00/ct | $11.20/ct | $1.29/ct |
| Chalcedony | Non-Investment Gems | $25.00/ct | - | $0.34/ct |
| Prasiolite | Non-Investment Gems | $25.00/ct | - | $0.50/ct |
| Amethyst | Non-Investment Gems | $20.00/ct | $7.54/ct | $0.85/ct |
| Rose Quartz | Non-Investment Gems | $20.00/ct | - | - |
| Rutilated Quartz | Fashion/Trend Gems | $20.00/ct | - | $2.00/ct |
| Tourmalinated Quartz | Non-Investment Gems | $18.00/ct | - | $0.13/ct |
| Citrine | Non-Investment Gems | $15.00/ct | $2.32/ct | $1.00/ct |
| Jasper | Non-Investment Gems | $15.00/ct | - | - |
| Tiger's Eye | Non-Investment Gems | $15.00/ct | - | - |
| Hawk's Eye | Non-Investment Gems | $12.00/ct | - | - |
| Rock Crystal | Non-Investment Gems | $12.00/ct | $1.67/ct | - |
| Milky Quartz | Non-Investment Gems | $10.00/ct | - | $0.71/ct |
| Onyx | Non-Investment Gems | $10.00/ct | - | $0.26/ct |
| Agate | Non-Investment Gems | $8.00/ct | $0.71/ct | - |
| Aventurine | Non-Investment Gems | $8.00/ct | - | - |
| Bloodstone | Non-Investment Gems | $8.00/ct | - | - |
| Chrysoprase | Fashion/Trend Gems | $8.00/ct | - | - |
| Sardonyx | Non-Investment Gems | $6.00/ct | - | - |
| Carnelian | Non-Investment Gems | $5.00/ct | $7.52/ct | - |
| Quartz | Non-Investment Gems | - | $1.80/ct | $0.40/ct |
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