Natural Corundum Star Sapphire
Starting Bid
$45.00
20d 15h 7m 1s
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Item Description
Dimensions: 11.11 X 9.01 x 5.04 mm
Weight: 5.66 carats
Mohs Hardness: 9
Toughness: Excellent
Shape: Oval
Color: Blue
Transparency: Translucent
Cutting Style: Cabochon
Geographic Origin: Unknown
Condition: No Visible Flaws
Additional Description: Sapphire is mostly thought of as blue in color, however it could be any color of the mineral corundum, expect for red. The name comes from the Greek sapheiros which means "bright blue stone." Ancient Mediterranean cultures prized sapphire above all other gems. Today, the most highly prized blue sapphire is sourced from Kashmir, India. Other significant sources include Myanmar, Thailand, Sri Lanka, and Madagascar.
Titanium Diffused. The asterism of this stone is concentrated in a shallow surface layer.
Lot Details
Lot Number1248
CategoryNatural History Science
Sub CategoryMinerals
Starting Bid$45.00
Bid Count0
AuctionEstate Treasures 85: Jewelry, Silver, Antiques, Glass, Art & More
StatusPre-Bidding is Open
Last updated June 18, 2026 9:29 pm EDT