Pendant 10k solid gold Swiss on sale Blue & White 3 ct Natural earth mined Zircon - ethical - bi-color gold 30mm long OOAK December Birthstone

All stones are natural mined VVS Zircon that was earth mined in Cambodia and cut in the US. The blue ones are about 1/2 ct each and are a rich blue color. The stones are eye clean and brilliant. THESE ARE NOT CZs!!! Look like flawless blue diamonds.

I set them in 10k solid yellow gold and used a manufactured yellow gold bail with white gold on the face with the tiny white zircon stones. I can barely see the little white ones - far from setting them!
Overall size is about 1.25 inches (3 cm) long x 5mm wide. The pendant moves freely under the bail. If you need a chain, let me know what size and I will see if I have one for you. If so, I will price it for you.

Ready to pack and mail!
This is a one of a kind offering. I will not make more like this. I guarantee it!!! It started out with 6 stones and I remade it until one had to go away completely. (sigh). :)

This will be a lovely gift!

The full length from top to bottom is about 1 3/16"

These are conflict free and guilt free sparklies! all metal is eco friendly sterling silver and white gold from recycled/reclaimed sources. They are marked .925 and there is no marking to indicate the white gold over it.

All of our stones are Fair Trade, certified conflict free, and ethically cut as well. No Guilt!

I have a similar ring shown here. I will be listing it soon too.

Zircon: Brilliant but misunderstood
Natural zircon today suffers on account of the similarity of its name to cubic zirconia, the laboratory-grown diamond imitation. Many people are unaware that there is a beautiful natural gemstone called zircon.
Zircon occurs in a wide range of colors, but for many years the most popular was the colorless variety, which looks more like diamond than any other natural stone because of its brilliance and dispersion.


Hindu poets tell of the Kalpa Tree, the ultimate gift to the gods, a glowing tree covered in gemstone fruit with leaves of zircon. Zircon has long played a supporting role to more well-known gemstones, often stepping in as an understudy when they were unavailable.

In the middle ages, zircon was said to aid sleep, bring prosperity, and promote honor and wisdom in its owner. The name probably comes from the Persian word 'zargun', which means 'gold-colored', although zircon comes in a wide range of different colors.

Today the most popular color is blue zircon, which is considered an alternative birthstone for December. Most blue zircon is of a pastel blue, but some exceptional gems have a bright blue color. Zircon is also available in green, dark red, yellow, brown, and orange.

Zircon is mined in Cambodia, Sri Lanka, Thailand, Myanmar, Australia, and other countries.

Zircon is one of the heaviest gemstones, which means that it will look smaller than other varieties of the same weight. Zircon jewelry should be stored carefully because although it is relatively hard, zircon can suffer from abrasion and the facets can be chipped. Dealers often wrap zircons in individual twists of paper so that they will not knock against each other in a parcel.

The wide variety of colors of zircon, its rarity, and its relatively low cost make it a popular collector's stone. Collectors enjoy the search for all possible colors and variations.
IGA-ICGA article. Gemstone.org

From Wikipedia:
Not to be confused with zirconia, cubic zirconia, or zirconium.
This article is about the mineral. For other uses, see Zircon (disambiguation).
Zircon

Zircon crystal from Tocantins, Brazil (2×2 cm)

General
CategoryNesosilicates

Formula
(repeating unit)zirconium silicate ZrSiO4

Strunz classification
09.AD.30
Crystal symmetry
Tetragonal ditetragonal dipyramidal
H-M symbol: (4/m 2/m 2/m)
Space group: I 41/amd

Unit cell
a = 6.607(1) Å, c = 5.982(1) Å; Z=4
Identification
ColorReddish brown, yellow, green, blue, gray, colorless; in thin section, colorless to pale brown
Crystal habit
tabular to prismatic crystals, irregular grains, massive
Crystal system
Tetragonal

Twinning
On {101}
Cleavage
indistinct, on {110} and {111}
Fracture
Conchoidal to uneven
TenacityBrittle
Mohs scale hardness7.5
Luster
Vitreous to adamantine; greasy when metamict.

Streak
White
Diaphaneity
Transparent to opaque
Specific gravity
4.6–4.7
Optical propertiesUniaxial (+)
Refractive index
nω = 1.925–1.961
nε = 1.980–2.015, 1.75 when metamict
Birefringence
δ = 0.047–0.055
Pleochroism
Weak
Fusibility
Infusible
Solubility
Insoluble
Other characteristicsFluorescent and radioactive, may form pleochroic halos

[References:
Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W. and Nichols, Monte C. (ed.). "Zircon" (PDF). Handbook of Mineralogy. II (Silica, Silicates). Chantilly, VA, US: Mineralogical Society of America. ISBN 0962209716.
Zircon. Mindat
Zircon. Webmineral
Hurlbut, Cornelius S.; Klein, Cornelis, 1985, Manual of Mineralogy, 20th ed., ISBN 0-471-80580-7]


Zircon (/ˈzɜrkən/; including hyacinth or yellow zircon) is a mineral belonging to the group of nesosilicates. Its chemical name is zirconium silicate and its corresponding chemical formula is ZrSiO4. A common empirical formula showing some of the range of substitution in zircon is (Zr1–y, REEy)(SiO4)1–x(OH)4x–y. Zircon forms in silicate melts with large proportions of high field strength incompatible elements. For example, hafnium is almost always present in quantities ranging from 1 to 4%. The crystal structure of zircon is tetragonal crystal system. The natural color of zircon varies between colorless, yellow-golden, red, brown, blue, and green. Colorless specimens that show gem quality are a popular substitute for diamond and are also known as "Matura diamond".
The name derives from the Persian zargun (زرگون), meaning golden-colored.[5] This word is corrupted into "jargoon", a term applied to light-colored zircons. The English word "zircon" is derived from "Zirkon," which is the German adaptation of this word.[6] Red zircon is called "hyacinth", from the flower hyacinthus, whose name is of Ancient Greek origin.
Maxwell J. Faulkner and James E. Shigley , Dec 1, 1989

More from GIA:
Zircon found in Australia is the oldest mineral on earth: 4.4 billion years old.
Metamictization:
Zircon sometimes contains traces of uranium, irradiating itself and changing its properties.
Colorless zircon is called “Matara” zircon after a city in Sri Lanka near where it is mined.
Facts
•Mineral: Zircon
•Chemistry: ZrSiO4
•Color: Blue, red, yellow, orange, brown, green
•Refractive index: on sale
•High: 1.925 to 1.984 (+/- 0.040)
•Medium: 1.875 to 1.905 (+/- 0.030)
•Low: 1.810 to 1.815 (+/-0.030)
•Birefringence: 0.000 to 0.059 (low to high)
•Specific gravity: 3.90 to 4.73
•Mohs Hardness: 6 to 7.5 (low to high)

Colorless zircon is known for its brilliance and flashes of multicolored light, called fire. These zircon properties are close enough to the properties of diamond to account for centuries of confusion between the two gems.
Zircon occurs in an array of colors. Its varied palette of yellow, green, red, reddish brown, and blue hues makes it a favorite among collectors as well as informed consumers.
Brilliance and Fire
Zircon has very high luster, refractive indices, and dispersion, giving it lots of brilliance and rainbow flashes of fire.
Double-double
Zircon's pronounced double refraction means you can see twice as many facets and twice as much fire.
Zircon
John M. Hanchar and Paul W.O Hoskin
Gems of the World
Cally Oldershaw

A 48.30-carat colorless zircon from Sri Lanka is in the collection of the Smithsonian Institution, National Museum of Natural History. - Chip Clark

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