Boulder Opal

Opal Group

Key Properties

Property Value
Mohs Hardness 6.0 (5.5-6.5)
Typical Size 1-50+ carats (commercial: 5-20 carats; often sold as specimens)
Typical Price Range $50-500 per carat (commercial: $100-300; Queensland material)
Rarity Level Limited Occurrence
Availability Level Limited Supply
Availability Driver Limited Deposits
Investment Appropriateness Fashion/Trend Gems

Pricing

Typical Price
$30.00
per carat
MC Price
N/A
per carat
Listing Price
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per carat
Sold Price
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per carat
My Price
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per carat
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Price Calculator

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NEUTRAL
45.62

Score Components

Geo rarity
65
Mkt availability
65
Invest Appr
25
hardness
10
price
45

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Detailed Descriptions

Rarity Description: Opal with ironstone matrix; primarily from Queensland, Australia.

Availability Description: Available through specialty dealers; matrix provides durability; collector interest.

Investment Description: Durable opal variety with ironstone backing; limited investment potential; collector and jewelry market.

Price History (Last 3 Years)

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Origin Variants

Origin Rarity Price Multiplier Multiplier in MC
Australia Uncommon x1.45 -

Color Variants

No color variants found for this gem.

Price Levels of Origin and Color Variants on MC

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