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Home
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May Birthstones
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Stone Size: 12mm
May Birthstones
Read more about May alternative birthstone varieties and their stories in our most recent
Blog Post
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Stone Size: 12mm
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Gem Type
Agate
Chalcedony
Variety
Blue Chalcedony
Montana Agate
Purple Sage Chalcedony
Shape
Cushion
Round
Trillion
Sub Shape
Rose Cut
Square
Fair Trade Level
1
3
Origin
Mexico
USA
Location
Montana
Nevada
Color
Black
Blue
Brown
Multi
Purple
White
Treatment
Not Treated
Gem Cut
Cabochon
Faceted
Stone Size
12mm
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Total Gem Weight
0.25 to 0.50 carat
0.75 to 1.0 carat
1.50 to 2.0 carats
3.0 to 5.0 carats
5.0 to 10.0 carats
Varies By Size
12mm Gem Blue Mexican Chalcedony Cushion Cabs
$195.00
8mm Gem Blue Mexican Chalcedony Round Cabs
$54.00
5 to 12mm Purple Sage Chalcedony® Trillion Cabs - Dark Purple
From
$21.00
10 to 12mm Montana Agate Round Cabs
From
$66.00
10 to 12mm Gem Blue Mexican Chalcedony Rose Cut Rounds
From
$129.00
10 to 12mm Gem Blue Mexican Chalcedony Round Cabs
From
$102.00