Chalcedony

Quartz Group

Key Properties

Property Value
Mohs Hardness 7.0 (7)
Typical Size 1-100+ carats (commercial: any size for cabochons)
Typical Price Range $2-50 per carat (commercial: $5-25; various colors)
Rarity Level Abundant Minerals
Availability Level Consistently Available
Availability Driver Consistent Deposits
Investment Appropriateness Non-Investment Gems

Pricing

Typical Price
$25.00
per carat
MC Price
$3.16
per carat
Listing Price
$1.57
per carat
Sold Price
$1.82
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 - -
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VERY BEARISH
16.88

Score Components

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

Buy This Gem

Detailed Descriptions

Rarity Description: Cryptocrystalline quartz; includes many varieties like agate and carnelian.

Availability Description: Widely available; popular for cabochons, carvings, and beads.

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

Seller Prices

Seller Faceted Price Rough Price Asking PPC, Faceted Asking PPC, Rough
galleria $2.57/ct - - -
gemex $2.07/ct - $1.57/ct -
savlaenterprise $0.34/ct - - -
raregems - $2.07/ct - -
mygems - - - $0.20/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
Tanzania medium light bluish green - $40.74/ct 2 9.86 ct
Africa light bluish purple - $2.56/ct 4 3.81 ct
Africa light blue - $2.37/ct 6 11.52 ct
Africa very light blue - $2.27/ct 1 3.93 ct
Africa very light violetish blue - $2.18/ct 3 6.49 ct
Africa medium dark bluish purple - $2.17/ct 1 20.29 ct
Africa - - $2.17/ct 2 36.65 ct
Africa very light bluish violet - $2.13/ct 13 12.06 ct
Africa very light violet - $2.03/ct 3 23.71 ct
Africa medium bluish purple - $1.60/ct 8 18.49 ct
Africa medium light bluish purple - $1.54/ct 7 7.80 ct

Current Listings

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