Tantalite

Tantalite Group

Key Properties

Property Value
Mohs Hardness 6.25 (6-6.5)
Typical Size 1-50+ carats (commercial: 5-30 carats; typically sold as specimens)
Typical Price Range $5-50+ per carat (commercial: $10-30; fine crystals $30-50+)
Rarity Level Limited Occurrence
Availability Level Limited Supply
Availability Driver Limited Deposits
Investment Appropriateness Speculative Collector Gems

Pricing

Typical Price
$8.00
per carat
Listing Price
$143.77
per carat
Sold Price
$150.69
per carat
My Price
N/A
per carat

Price Calculator

Estimate Type Total Value Price per Carat
Typical Cost - -
Likely Listed Cost - -
Likely Sold Cost - -
My Price Cost - -
NEUTRAL
47.5

Score Components

Geo rarity
65
Mkt availability
65
Invest Appr
50
hardness
10
price
10

Buy This Gem

Gem Rock Auctions Best In Gems

Detailed Descriptions

Rarity Description: Iron-manganese tantalate mineral and primary ore of tantalum. Black to brownish-black with submetallic luster. Primarily collector and specimen interest.

Availability Description: Available through mineral dealers; primarily sold as specimens rather than faceted gems due to opacity.

Investment Description: Industrial mineral with collector interest; no established gem market; specimen value only; highly specialized niche.

Seller Prices

Seller Faceted Price Rough Price
ucgems $335.79/ct -
trustedgems $69.02/ct -

Price History (Last 3 Years)

Loading price data...

Origin Variants

No origin variants found for this gem.

Color Variants

Variant Color Rarity Price Multiplier
Black Tantalite Black Common x1.00
Brown Tantalite Brown Common x1.00

Price Levels of Origin and Color Variants on MC

No multicolour pricing data available for this gem.

Current Listings

Please sign in to view current listings.

Other gems in the Tantalite Group:

My Holdings of this gem

You do not have any holdings of this gem type.