Hambergite
Borate GroupKey Properties
| Property | Value |
|---|---|
| Mohs Hardness | 7.5 (7.5) |
| Typical Size | 0.5-15 carats (commercial: 1-8 carats; clean stones rare) |
| Typical Price Range | $100-800+ per carat (commercial: $150-400; colorless over 3ct $500-800+) |
| Rarity Level | Unique Geological |
| Availability Level | Collectors Market |
| Availability Driver | Limited Deposits |
| Investment Appropriateness | Collector Gems |
Pricing
Typical Price
$200.00
per carat
MC Price
$99.36
per carat
Listing Price
N/A
per carat
Sold Price
$422.54
per carat
My Price
N/A
per carat
Hunt Target Price
N/A
per carat
Price Calculator
| Estimate Type | Total Value | Price per Carat |
|---|---|---|
| Typical Cost | - | - |
| MC Price Cost | - | - |
| GSK Price Cost | - | - |
| Likely Listed Cost | - | - |
| Likely Sold Cost | - | - |
| My Price Cost | - | - |
| Hunt Target Price | - | - |
MODERATELY BULLISH
53.75
Score Components
Geo rarity
85
Mkt availability
85
Invest Appr
0
hardness
45
price
45
Buy This Gem
Detailed Descriptions
Rarity Description: Beryllium borate hydroxide; colorless to white with exceptional brilliance. High dispersion creates fire; perfect cleavage makes cutting difficult.
Availability Description: Available through specialty dealers; Madagascar and Pakistan sources; valued for exceptional brilliance and dispersion.
Investment Description: Rare borate mineral with diamond-like brilliance; perfect cleavage creates rarity; limited collector market; primarily for specialists.
Seller Prices
| Seller | Faceted Price | Rough Price | Asking PPC, Faceted | Asking PPC, Rough |
|---|---|---|---|---|
| ucgems | $422.54/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
| Origin | Colour | Clarity | Price Per Carat | # Listings | Avg Weight |
|---|---|---|---|---|---|
| Madagascar | - | Eye clean | $165.09/ct | 5 | 2.21 ct |
| Madagascar | - | Eye clean to Slightly included | $133.52/ct | 2 | 1.76 ct |
| Molo, Burma | - | Slightly included | $110.94/ct | 2 | 0.85 ct |
| Molo, Burma | - | Eye clean | $90.00/ct | 1 | 0.61 ct |
| Madagascar | - | Heavily included | $56.74/ct | 2 | 1.89 ct |
| Madagascar | - | Slightly to Moderately included | $54.00/ct | 2 | 1.67 ct |
| Madagascar | - | Moderately included | $52.61/ct | 5 | 1.46 ct |
| - | - | Moderately included | $43.20/ct | 1 | 1.03 ct |
| - | - | Slightly to Moderately included | $43.20/ct | 1 | 1.48 ct |
| Madagascar | - | Moderately to Heavily included | $43.19/ct | 1 | 1.19 ct |
Current Listings
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Other gems in the Borate Group:
| Gem Type | Investment Ranking | Typical Price | Listing Price | Sold Price |
|---|---|---|---|---|
| Painite | Speculative Collector Gems | $3000.00/ct | $2671.89/ct | $605.37/ct |
| Hambergite | Collector Gems | $200.00/ct | - | $422.54/ct |
| Rhodizite | Speculative Collector Gems | $180.00/ct | - | - |
| Sinhalite | Collector Gems | - | $139.00/ct | - |
My Holdings of this gem
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