Rhodizite

Borate Group

Key Properties

Property Value
Mohs Hardness 8.5 (8.5)
Typical Size 0.3-5 carats (commercial: 0.5-2 carats; stones over 2ct very rare)
Typical Price Range $300-2,500+ per carat (commercial: $500-1,200; colorless over 2ct $1,500-2,500+)
Rarity Level Unique Geological
Availability Level Museum Grade Rarity
Availability Driver Limited Deposits
Investment Appropriateness Speculative Collector Gems
MODERATELY BULLISH
66.88

Score Components

Geo rarity
85
Mkt availability
100
Invest Appr
50
hardness
0
price
65

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Detailed Descriptions

Rarity Description: Potassium cesium beryllium aluminum borate; extremely rare borate mineral. Exceptional hardness for borate; colorless to pale yellow; Madagascar primary source.

Availability Description: Extremely rare in gem quality; Madagascar primary source; trades through rare gem specialists; primarily collector specimens.

Investment Description: Extremely rare borate mineral; exceptional hardness; very limited gem market; high prices but minimal liquidity; primarily for advanced collectors.

Price History (Last 3 Years)

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Origin Variants

No origin variants found for this gem.

Color Variants

No color variants found for this gem.

Price Levels of Origin and Color Variants on MC

Origin Colour Clarity Price Per Carat # Listings Avg Weight
Madagascar very light greenish yellow Moderately included $183.71/ct 2 1.26 ct
Madagascar very light greenish yellow Heavily included $109.96/ct 2 1.38 ct

Current Listings

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