Green
The two colourants often used to
create green glass were iron and chrome, as well as uranium for
the green/yellow-green colour that glows brightly under ultra violet (UV) light, which is known as
vaseline.
The greens, from the lightest up to darkest:
Ice
green – pale green (we’ll come to it again
later in the Controversies) – known with touch of opal too (ice green opal).
Florentine green – Fenton’s ice green really, can be stretchy and may have a faint UV glow.
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Northwood Peacock and Urn
sauce,
ice green
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Imperial Pansy bowl, helios
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Two green tumblers. Left: Millersburg Hanging
Cherries, and right: Northwood Dandelion.
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Afterglow green – a pale green Dugan–Diamond colour from the 1920s and very early 1930s. No UV
reaction. Usually has a marigold iridescence.
Lime Green
- at first glance it may be perceived as being
similar to vaseline, as it is a light, limey shade. However, lime green is not reactive to UV light. Lime green
sometimes can have a frosty iridescence (lime ice green) and thus may also be perceived as being similar to
ice green. Lime green can also be found with either a pastel or a marigold iridescence.
Lime green opal
– lime green
with a white opal edge is also known.
Vaseline – a limey yellow-green. It has uranium as its colorant and is UV reactive. The iridescence can be
marigold or delicate pastel. To be true vaseline it must have a vivid UV glow. Some clear/flint/marigold glass will
have a dull glow caused by manganese in the batch used as a decoloriser i.e. to neutralise the green from iron
impurities.
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All these pieces are in vaseline, also the colour
varies from one that is more green, through yellow-green, to one that is more yellow in appearance. From the left: Millersburg Feather and Heart
pitcher, Sowerby Pineapple bowl and the base of a Northwood Concave Diamonds
tumbler.
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Vaseline
Opal is also known.
Citrine
– a deeper yellow-green than vaseline, but not
quite olive green. No UV glow.
Helios – a mid green that sometimes has a faint UV glow. Its main characteristic is a distinctive silver-gold
metallic looking iridescence.
(Standard) Green - the mid range green colour that represents the bulk of green
Carnival Glass production.
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Fenton Banded Drape pitcher with enamelled
Forget-me-Not design, green (which is unusual for
enamelled items)
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Fenton Zig Zag
water set with enamelled Shasta Daisy design, Florentine green
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Two very unusual tumblers.
Left: Riihimaki Starburst in green (see
base), one of only a handful known in green.
Right: Northwood Oriental Poppy, lime ice
green.
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Alaskan (Green) – an early Northwood colour,
with a strong marigold iridescence on mid green base glass.
Emerald – mid green base glass with a blue green, vibrant iridescent effect. Much controversy though,
see the Controversies section.
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Fenton Concord bowl with candy ribbon edge, emerald
green
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A very rare and spectacular Four Flowers Variant
chop plate, emerald green
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Nile green – opaque yellow-green.
Olive and Russet – slightly yellow / brown.
Teal – see
section on blue.
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