It’s the trace elements they used in making the glass that’s oxidizing. For example, copper oxidizes to a bluish-green color. So, if there were trace amounts of copper in the glass when they made it, it will turn over time to a bluish-green tint.

	NICE BLUE PRESSED GLASS BOWL $6.99

	50p light blue faux pearl glass bead Round 10mm $0.99

	Black Blue Plastic Full Frame Clear Lens Plain Glasses $6.45

	10 Blue Murano Glass Bead Fit Euro Charm Bracelet PDD50 $5.60

	Fenton Opalescent Blue Glass Swirl Ruffle Bell MINT $34.99

	Valentines Day Special! Real Vintage Italian Murano Glass -Blue Walking Iris $1.99

	BLUE DEPRESSION GLASS DRAWER PULL HANDLE handles set of 2 $8.95

	Seed Beads-Purple, Yellow, Brown Blue Moon Royal Boheme Glass Bead Hank 11 Stran $7.22

	Peacock Blue Glass Seed Pearl Tube Beads Multi-strand Necklace Bib Earrings Set $2.99

	SP36663 DICHORIC GLASS & BLUE TOPAZ 925 STERLING SILVER PENDANT JEWELRY $7.99

	Bacio Cathedrals Italian Blue Flower Silver Glass Bead Charm. Made in Italy! $62.00

	Glass Bumpy European Style Bead Purple Copper Blue 14mm $2.24

	Multi Round Fashion Glass Faux girasol Pearl Charms Loose Beads Dia.10mm To Pick $6.98

	Multi Round Fashion Glass Faux girasol Pearl Charms Loose Beads Dia.10mm To Pick $6.98

	Multi Round Fashion Glass Faux girasol Pearl Charms Loose Beads Dia.10mm To Pick $26.48

	Multi Round Fashion Glass Faux girasol Pearl Charms Loose Beads Dia.10mm To Pick $26.48

	Blue Lampwork murano glass 925 silver core OOAK handmade European bead charm N05 $0.01

	Fenton Art glass Blue Opalescent "Lily of the Valley" Footed Vase $24.99

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	Pierced Earrings - Blue Glass - Silver Toned Spacers... $8.50

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	Heart Glass Pendant with Blue Flower Center on Blue or Black Cord $9.99

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	Pierced Earrings - Blue Glass - Hand Wired Copper Coils $9.99

	Glass Triangle Beads Size 8/0 3x4mm Made in Japan $3.97

	GORGEOUS COBALT BLUE GLASS CANDLE STICKS HOLDERS WITH HANDLES $30.00

	DIAMOND BLUE GENUINE DICHROIC FUSED GLASS PENDANT HAND MADE $4.72

	Pierced Earrings - Faceted Blue Glass & Purple Crystals $9.00

	LOT OF 6 INDIANA BLUE GOBLET GLASSES THUMBPRINT KINGS CROWN 8 OZ. 1970'S VINTAGE $29.99

	SET OF 4 MAJESTIC ELEGANT WATER, JUICE , GIN, COBALT BLUE DRINKING GLASS(NEW) $49.99

	FLOWER BLUE CHAMOMILE GLASS PENDANT NECKLACE $10.95

	Vintage Jeannette Glass Co Petal Swirl Ultramarine Blue Cereal Bowl 5-1/2" $5.99

	Pierced Earrings - Faceted Blue, Red & Yellow Glass $9.99

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	Vintage Cobalt Blue Glass Hand $20.00

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	Red Blue Bowl Contemporary Modern Glass Light Pendant $83.90

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	Rare Murano Glass Piece Made In Italy! Beautiful Aqua Blue Artglass Basket $55.00

	Reading Glasses Podreader Computer Reader [ +1.00 ] $16.60

	10mm 30p Blue Lampwork Glass Evil Eye Round Loose Beads $0.99

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	Blue Glass Cube Art Fantasy Belt Buckle $12.74

	(5) OCTAGONAL COBALT BLUE DOUBLE OLD FASHIONED GLASSES BY ANCHOR HOCKING $20.00

Pyrex 6021224 Storage 10-Piece Set, Clear with Blue Lids $14.49 There are several reasons to choose glass storage containers: Pyrex glass doesn't warp, stain, absorb odors or interact with food, it is safe for microwave and oven use, it's attractive enough to bring to the table for casual meals. Last but not least you can see the leftovers without opening the lid, which means you won't accidentally grab a dish of corn niblets for lunch when you really wanted t...

Thermos Stainless King SK3000MBTRI4 Food Jar, Midnight Blue $18.99 King vacuum insulated food jar sk3000mb4 thermax® double wall vacuum insulation for maximum temperature retention, hot or cold unbreakable stainless steel interior and exterior extra wide mouth is easy to fill, serve from and clean cool to the touch with hot liquids, sweat-proof with cold compact and insulated stainless steel serving bowl full-size telescoping stainless steel spoon specificati...

Cuisinart CPK-17 PerfecTemp 1.7-Liter Stainless Steel Cordless Electric Kettle $70.00 This Cuisinart Perfectemp Cordless Electric Programmable Kettle offers latest innovation for this product category%2E Heating water will never be easier with this handsome brushed stainless steel kettle%2E Great for making tea%2C hot chocolate or instant soups%2E It will quickly bring 1%2E75 quarts of water to a boil and then turn itself off%2E...

	The White Album (Remastered) $14.77 BEATLES THE ALBUM BLANCO (2CD) (EDICION LIMITADA)...

	Blue's Clues - Blue's Biggest Stories $6.61 BLUE'S CLUES:BLUE'S BIGGEST STORIES - DVD Movie...

Lady Sings the Blues $9.35 Diana Ross stars as legendary blues singer Billie Holiday in this biopic that chronicles her rise and fall. It begins with her late childhood, a stint as a prostitute, those early days as a blues singer, her marriages, and her drug addiction. Overly glossy and lacking depth, this is worth seeing only for the performances. Diana Ross was nominated for an Oscar for her acting debut. A dynamo with sp...

Tangled (Four-Disc Combo: Blu-ray 3D / Blu-ray / DVD / Digital Copy) $28.99 Disney presents a new twist on one of the most hilarious and hair-raising tales ever told. Your whole family will get tangled up in the fun, excitement and adventure of this magical motion picture. When the kingdom's most wanted - and most charming - bandit Flynn Rider hides in a mysterious tower, the last thing he expects to find is Rapunzel, a spirited teen with an unlikely superpower - 70 feet...

	Beauty and the Beast (Five Disc Combo: Blu-ray 3D / Blu-ray / DVD / Digital Copy) $29.99 Studio: Buena Vista Home Video Release Date: 10/04/2011 Rating: G...