Sardonyx

Quartz Group

Key Properties

Property Value
Mohs Hardness 7.0 (7)
Typical Size 1-100+ carats (commercial: any size for cabochons)
Typical Price Range $1-20 per carat (commercial: $3-10; red and white bands)
Rarity Level Abundant Minerals
Availability Level Consistently Available
Availability Driver Consistent Deposits
Investment Appropriateness Non-Investment Gems

Pricing

Typical Price
$6.00
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
Hunt Target Price
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per carat

Price Calculator

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VERY BEARISH
16.25

Score Components

Geo rarity
35
Mkt availability
10
Invest Appr
5
hardness
25
price
5

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Detailed Descriptions

Rarity Description: Red-brown and white banded chalcedony; historically used for cameos.

Availability Description: Available; popular for cabochons and cameo carving.

Investment Description: Common ornamental stone; no investment potential; decorative use.

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

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