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Home
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May Birthstones
/
Treatment: Not Treated
May Birthstones
Read more about May alternative birthstone varieties and their stories in our most recent
Blog Post
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Treatment: Not Treated
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Gem Type
Agate
Chalcedony
Variety
Blue Chalcedony
Golden Sage Chalcedony
Lemon Chryoprase
Montana Agate
Oregon Agate
Purple Sage Chalcedony
Snowdrift Agate
Shape
Briolette
Cushion
Freeform
Hexagon
Kite
Oval
Round
SugarLoaf
Teardrop
Triangle
Trillion
Sub Shape
Checkerboard Top
Fancy Cut
Rose Cut
Smooth
Square
Tablet Cut
Fair Trade Level
1
3
Origin
Africa
Mexico
USA
Location
Montana
Nevada
Oregon
Color
Black
Blue
Brown
Golden
Multi
Orange
Purple
Red
White
Yellow
Treatment
Not Treated
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Gem Cut
Bead
Cabochon
Faceted
Stone Size
10mm
10x10mm
10x7mm
10x8mm
11mm
11x9mm
12mm
12x10mm
12x9mm
13x11mm
14mm
14x10mm
16x12mm
18x13mm
20mm
20x15mm
20x7mm
30mm
30x22mm
4mm
5mm
6mm
6x4mm
7x5mm
8mm
8x6mm
9mm
9x6mm
9x7mm
Free Size
Total Gem Weight
0.25 to 0.50 carat
0.75 to 1.0 carat
1.0 to 1.50 carats
1.50 to 2.0 carats
10.0+ carats
2.0 to 3.0 carats
3.0 to 5.0 carats
5.0 to 10.0 carats
Varies By Size
4 to 8mm Montana Agate Round Cabs
From
$30.00
12x9 to 14x10mm Mexican Blue Chalcedony Rose Cut Kites
From
$135.00
8x6 to 16x12mm Oregon Butterscotch Agate Oval Cabs
From
$15.00
8x6mm to 16x12mm Oregon Chocolate Agate Oval Cabs
From
$15.00
8x6 to 16x12mm Oregon Black Agate Oval Cabs
From
$15.00
16x12 to 30x22mm Lemon Chrysoprase Oval Cabs
From
$54.00
20mm Polka Dot Agate Round Cabs
$60.00
30mm Polka Dot Agate Round Cabs
$87.00
6 to 8mm Nevada Purple Sage Chalcedony® 16" Round Bead Strands
From
$150.00
4 to 6mm Nevada Golden Sage Chalcedony 16" Round Bead Strands
From
$105.00
Nevada Purple Sage Chalcedony® Polished Baroque Rough Drilled Bead Strands
$120.00
34.3ct Gem Blue Mexican Chalcedony Oval Cab
$1,286.25
30.64ct Gem Blue Mexican Chalcedony Triangle Cab
$1,378.80
20.21cts Gem Blue African Chalcedony Oval Cab
$360.00
38.68cts Gem Blue African Chalcedony Cab
$600.00
23.34ct Gem Blue African Chalcedony Oval Cab
$360.00
10x10 to 16x12mm Gem Blue Mexican Chalcedony Hex Tablets™
From
$105.00
12mm Gem Blue Mexican Chalcedony Cushion Cabs
$195.00
20x7mm Gem Blue Mexican Chalcedony Half Drilled Faceted Briolette Beads
$252.00
10mm Gem Blue Mexican Chalcedony Fancy Rounds
$123.00
10x8 to 18x13mm Gem Blue Mexican Chalcedony Oval Cabs
From
$69.00
8 to 10mm Gem Blue Mexican Chalcedony Full Drill Polished Round Beads
From
$69.00
9x6 to 20x7mm Gem Blue Mexican Chalcedony Half Drilled Polished Teardrop Beads
From
$66.00
10x8 to 12x10mm Gem Blue Mexican Chalcedony Rose Cut Cushions
From
$120.00
10mm Gem Blue Mexican Chalcedony Checkerboard Cushions
$138.00
8mm Gem Blue Mexican Chalcedony Checkerboard Cushions
$90.00
10x8mm Gem Blue Mexican Chalcedony Sugarloaf Cabs
$90.00
8 to 10mm Gem Blue Mexican Chalcedony Sugarloaf Cabs
From
$72.00
8mm Gem Blue Mexican Chalcedony Round Cabs
$54.00
8x6 to 16x12mm Purple Sage Chalcedony® Rose Cut Ovals - Dark Purple
From
$57.00
5 to 12mm Purple Sage Chalcedony® Trillion Cabs - Dark Purple
From
$21.00
5 to 11mm Purple Sage Chalcedony® Trillion Cabs - Medium Purple
From
$13.50
5 to 10mm Purple Sage Chalcedony® Trillion Cabs - Smoky Purple
From
$15.00
6x4 to 18x13mm Purple Sage Chalcedony® Oval Cabs - Smoky Purple
From
$7.50
6x4 to 18x13mm Purple Sage Chalcedony® Oval Cabs - Medium Purple
From
$12.00
6x4 to 18x13mm Purple Sage Chalcedony® Oval Cabs - Dark Purple
From
$21.00
4 to 10mm Purple Sage Chalcedony® Round Cabs - Dark Purple
From
$22.50
5 to 10mm Purple Sage Chalcedony® Round Cabs - Medium Purple
From
$13.50
4 to 10mm Purple Sage Chalcedony® Round Cabs - Smoky Purple
From
$7.50
9x7 to 10x8mm Purple Sage Chalcedony® Cushion Cabs - Smoky Purple
From
$30.00
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