Iridescent Gold

What chemical is purple in the bottle and gold upon touching air?

I remember using it in Grade 12 biology, and I think we were staining cells with it. It was incredibly vivid purple or indigo in the bottle and when it hit skin (as my lab partner found out, whoops) but when just a little was spilled on the counter top or dribbled down the side of the bottle it turned a remarkable iridescent gold colour.

I remember the teacher referred to it as "(something) Violet" or "(something) Purple". Any ideas?

Cell staining is usually done with crystal violet, also called gentian violet.

Find Iridescent Gold On eBay Below:

New in Box SET 6 Elegant CORDIAL GLASSES I PREZIOSI ITALY IRIDESCENT Gold
New in Box SET 6 Elegant CORDIAL GLASSES I PREZIOSI ITALY IRIDESCENT Gold
$29.00
GOLD IRIDESCENT AMBER 9 LONG STEM WATER GOBLET GLASS SET OF 5
GOLD IRIDESCENT AMBER 9 LONG STEM WATER GOBLET GLASS SET OF 5
$19.99
1985 Erick Brakken Glasshouse Iridescent Bleeding Heart Gold Dipped Paperweight
1985 Erick Brakken Glasshouse Iridescent Bleeding Heart Gold Dipped Paperweight
$79.00
Lot of Two Iridescent Purple Gold Green Art Glass Hearts
Lot of Two Iridescent Purple Gold Green Art Glass Hearts
$39.12
Crystal Amber Iridescent Sherbets Cocktail Gold Line Set of 6 Early Mid Centyry
Crystal Amber Iridescent Sherbets Cocktail Gold Line Set of 6 Early Mid Centyry
$48.00
Vintage Indiana Glass Garland Footed Fruit Center Bowl Iridescent Gold
Vintage Indiana Glass Garland Footed Fruit Center Bowl Iridescent Gold
$19.85
Indiana Glass 4 Iridescent Gold Vintage Weavetex 4 1 2 Berry Dessert Bowls
Indiana Glass 4 Iridescent Gold Vintage Weavetex 4 1 2 Berry Dessert Bowls
$10.79
IMPERIAL CARNIVAL GLASS HELIOS GREEN GOLD IRIDESCENT BASKET  DAISY PATTERN
IMPERIAL CARNIVAL GLASS HELIOS GREEN GOLD IRIDESCENT BASKET DAISY PATTERN
$79.50
IMPERIAL CARNIVAL GLASS HELIOS GREEN GOLD IRIDESCENT BUTTER DISH ROSE PATTERN
IMPERIAL CARNIVAL GLASS HELIOS GREEN GOLD IRIDESCENT BUTTER DISH ROSE PATTERN
$60.00
IMPERIAL CARNIVAL GLASS HELIOS GREEN GOLD IRIDESCENT DECANTER NO STOPPER
IMPERIAL CARNIVAL GLASS HELIOS GREEN GOLD IRIDESCENT DECANTER NO STOPPER
$32.50
IMPERIAL CARNIVAL GLASS HELIOS GREEN GOLD IRIDESCENT HANDLED NAPPY
IMPERIAL CARNIVAL GLASS HELIOS GREEN GOLD IRIDESCENT HANDLED NAPPY
$23.50
IMPERIAL CARNIVAL GLASS HELIOS GREEN GOLD IRIDESCENT TOOTHPICK HOLDER
IMPERIAL CARNIVAL GLASS HELIOS GREEN GOLD IRIDESCENT TOOTHPICK HOLDER
$16.00
Fenton DEER FAWN Autumn Gold Iridescent BRANDED WITH YOUR LOVE OOAK FREEusaSHIP
Fenton DEER FAWN Autumn Gold Iridescent BRANDED WITH YOUR LOVE OOAK FREEusaSHIP
$275.49
Famosa LPW Austria Moriage Gold Gilt Amber Iridescent Decanter  6 Glasses M4052
Famosa LPW Austria Moriage Gold Gilt Amber Iridescent Decanter 6 Glasses M4052
$349.99
Lot of 3 CARNIVAL GLASS Pieces IRIDESCENT BOWLS Purple Red Blue Green and Gold
Lot of 3 CARNIVAL GLASS Pieces IRIDESCENT BOWLS Purple Red Blue Green and Gold
$57.00
Hand Blown Solid Studio Art Glass Swan Canes Iridescent Amber Aqua Gold 15 High
Hand Blown Solid Studio Art Glass Swan Canes Iridescent Amber Aqua Gold 15 High
$22.00
Signed Kosta Boda Artist Coll B Vallien Iridescent Gold Vase Modern Design XLNT
Signed Kosta Boda Artist Coll B Vallien Iridescent Gold Vase Modern Design XLNT
$325.95
Fenton TREE Autumn Gold Iridescent PINECONES  MISTLETOE OOAK FREEusaSHIP
Fenton TREE Autumn Gold Iridescent PINECONES MISTLETOE OOAK FREEusaSHIP
$265.99
STRIKING Murano Geode 5 Bowl Iridescent GOLD W Bubbles Thick ArT GLaSs WoW
STRIKING Murano Geode 5 Bowl Iridescent GOLD W Bubbles Thick ArT GLaSs WoW
$50.99
Indiana USA Iridescent Gold Independence Hall Bicentennial Plate
Indiana USA Iridescent Gold Independence Hall Bicentennial Plate
$14.95
R Coleman Blown Iridescent Hanging Vessel Cobalt Blue W Gold Design 6 1 4 Tall
R Coleman Blown Iridescent Hanging Vessel Cobalt Blue W Gold Design 6 1 4 Tall
$124.99
Vintage Indiana Glass Iridescent Gold Lily Pons Celery Tray 1950 1980s 6 30200
Vintage Indiana Glass Iridescent Gold Lily Pons Celery Tray 1950 1980s 6 30200
$7.25
Signed D Anderson Hand painted Fenton Art Glass Iridescent Egg W Gold Pedestal
Signed D Anderson Hand painted Fenton Art Glass Iridescent Egg W Gold Pedestal
$59.99
Large Robert Eickholt Art Glass Oil Lamp Paperweight Blue Gold Silver Iridescent
Large Robert Eickholt Art Glass Oil Lamp Paperweight Blue Gold Silver Iridescent
$37.75
Original Signed R Coleman Blown Iridescent Cobolt Blue W Gold Vase 3 1 2 Tall
Original Signed R Coleman Blown Iridescent Cobolt Blue W Gold Vase 3 1 2 Tall
$59.99
ANTIQUE SIGNED TIFFANY FAVRILE GOLD IRIDESCENT ART GLASS SALT CELLAR
ANTIQUE SIGNED TIFFANY FAVRILE GOLD IRIDESCENT ART GLASS SALT CELLAR
$345.00
Vintage Carnival Glass Gold Iridescent 1
Vintage Carnival Glass Gold Iridescent 1
$21.50
FEDERAL GLASS CO MILK GLASS WITH GOLD IRIDESCENT PIE PLATE 9 X 125 OVEN PROOF
FEDERAL GLASS CO MILK GLASS WITH GOLD IRIDESCENT PIE PLATE 9 X 125 OVEN PROOF
$19.00
VINTAGE JEANNETE OPTIC IRIDESCENT GOLD HONEY COMB WATER PITCHER 6 GLASSES
VINTAGE JEANNETE OPTIC IRIDESCENT GOLD HONEY COMB WATER PITCHER 6 GLASSES
$29.95
Violet flowered bowl with gold iridescent ribbed edging
Violet flowered bowl with gold iridescent ribbed edging
$3.00
2 Iridescent Blue Luster Champagne Flutes Wine Goblets White Filigree Gold Trim
2 Iridescent Blue Luster Champagne Flutes Wine Goblets White Filigree Gold Trim
$24.50
Fenton Carnival Glass Bowl Orange Tree Pattern Light Iridescent Gold
Fenton Carnival Glass Bowl Orange Tree Pattern Light Iridescent Gold
$20.00
Vintage Elegant Iridescent Italian Murano Gold Carnival Glass Bent Bowl
Vintage Elegant Iridescent Italian Murano Gold Carnival Glass Bent Bowl
$5.00
Lovely German WMF MYRA GOLD IRIDESCENT BOWL
Lovely German WMF MYRA GOLD IRIDESCENT BOWL
$120.00
Iridescent Gold Auburn Carnival Glass Relish Tray Excellent Condition
Iridescent Gold Auburn Carnival Glass Relish Tray Excellent Condition
$8.99
Vintage Art Glass VASE Iridescent Swirl GOLD Blue GREEN Pink
Vintage Art Glass VASE Iridescent Swirl GOLD Blue GREEN Pink
$67.50
INDIANA GLASS IRIDESCENT GOLD PRINCESS GRAPE AND LEAF PUNCH BOWL SET
INDIANA GLASS IRIDESCENT GOLD PRINCESS GRAPE AND LEAF PUNCH BOWL SET
$50.00
Ron Mynatt Iridescent Art Glass Vase SIGNED DATED Amber Gold Purple Bloom Flower
Ron Mynatt Iridescent Art Glass Vase SIGNED DATED Amber Gold Purple Bloom Flower
$70.00
Iridescent Blue with Gold Trim Carnival Indiana Oval Footed Glass Bowl
Iridescent Blue with Gold Trim Carnival Indiana Oval Footed Glass Bowl
$36.49
1848 L C Tiffany Favrile Gold Iridescent Dish Vase Bowl with glass frog inset
1848 L C Tiffany Favrile Gold Iridescent Dish Vase Bowl with glass frog inset
$1,800.00


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