Mahenge Spinel

Mineral Group: Spinel Group

Key Properties

Property Value
Mohs Hardness 8.0 (8)
Typical Size 0.5-10 carats (commercial: 1-5 carats; larger stones increasingly rare)
Typical Price Range $1,000-5,000+ per carat (commercial: $1,500-3,000; hot pink over 2ct $3,000-5,000+)
Rarity Level Unique Geological
Availability Level Collectors Market
Availability Driver Limited Deposits
Investment Appropriateness Emerging Investment Gems

Pricing

Typical Price
$1200.00
per carat
Listing Price
$373.76
per carat
Sold Price
$99.92
per carat
Discount Level
0.1
vs typical

Price Calculator

Estimate Type Total Value Price per Carat
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Detailed Descriptions

Rarity Description: Vivid hot pink spinel from Mahenge region, Tanzania. Discovered 2007; neon-like pink color unique to this deposit. Highly prized by collectors.

Availability Description: Available through specialty dealers and auctions; Mahenge origin commands significant premium; supply diminishing.

Investment Description: Mahenge hot pink among most desirable spinels; limited single-source supply; excellent appreciation; top investment-grade spinel variety.

MODERATELY BULLISH
69.38

Score Components

Geo rarity
85
Mkt availability
85
Invest Appr
75
hardness
0
price
65

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Investment Ranking Calculation

The composite score of 69.38 is calculated using a weighted formula:

  • Geological Rarity (25%): 85 points
  • Market Availability (25%): 85 points
  • Investment Appropriateness (25%): 75 points
  • Hardness (12.5%): 0 points
  • Price Range (12.5%): 65 points

Formula: (85 × 0.25) + (85 × 0.25) + (75 × 0.25) + (0 × 0.125) + (65 × 0.125) = 69.38

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