Herderite

Phosphate Group

Key Properties

Property Value
Mohs Hardness 5.25 (5-5.5)
Typical Size 0.5-15 carats (commercial: 1-8 carats; clean stones rare)
Typical Price Range $100-600+ per carat (commercial: $150-350; colorless/yellow over 3ct $400-600+)
Rarity Level Unique Geological
Availability Level Collectors Market
Availability Driver Limited Deposits
Investment Appropriateness Collector Gems

Pricing

Typical Price
N/A
per carat
Listing Price
$366.24
per carat
Sold Price
$83.37
per carat
My Price
N/A
per carat

Price Calculator

Estimate Type Total Value Price per Carat
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My Price Cost - -
NEUTRAL
48.75

Score Components

Geo rarity
85
Mkt availability
85
Invest Appr
0
hardness
5
price
45

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Detailed Descriptions

Rarity Description: Calcium beryllium phosphate hydroxide/fluoride; colorless to pale yellow or green. Rare collector gem; often confused with other phosphates.

Availability Description: Available through specialty dealers; Brazil and Maine sources; primarily collector interest for beryllium phosphate rarity.

Investment Description: Rare beryllium phosphate; soft for jewelry use; limited collector market; primarily for mineral collectors and specialists.

Seller Prices

Seller Faceted Price Rough Price
ucgems $83.37/ct -

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

No multicolour pricing data available for this gem.

Current Listings

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Other gems in the Phosphate Group:

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