SKU: 76101536155

Natural Australian opal 2 stones 21/20mm 15.5ct 3.1g

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Description

Natural Australian opal 2 stones 21/20mm 15.5ct 3.1gVivid colours These Natural Australian opal 2 stones 21 20mm weigh 15. 5ct or 3. 1g. Opal is an amorphous rock, lacking a crystalline structure. There are three basic types of precious opal: boulder opal, black opal and white opal. Black and White Opal have distinct healing properties of their own. There are also other types of Opal, including Fire Opal from Mexico, Green Opal from Madagascar and Pink Opal from Australia. In Australia, Boulder Opal is

Vivid colours

These Natural Australian opal 2 stones 21/20mm weigh 15.5ct or 3.1g. Opal is an amorphous rock, lacking a crystalline structure. There are three basic types of precious opal: boulder opal, black opal and white opal. Black and White Opal have distinct healing properties of their own. There are also other types of Opal, including Fire Opal from Mexico, Green Opal from Madagascar and Pink Opal from Australia.

In Australia, Boulder Opal is mined in Queensland. Black Opal is the most precious and rare form. It is found only at Lightning Ridge, NSW.

Opal is formed when silicic acid gel loses its water and solidifies. Tiny silicon dioxide globules are formed in with a small amount of water and gas enclosed. These globules bend light, giving the opal its wonderful play of colour. The flashing colours are called fire or opalescence. The fire appears as sparkles of vivid colours floating on top of the stone.

Colour: black, blue, green, pink, red, white; iridescent or pearly

Transparency: opaque, translucent, transparent

Lustre: vitreous, waxy

Crystal system: amorphous

Fracture: uneven

Hardness: 5.5-6.5

Mineral group: silicates

Formula: SiO₂·nH₂O

Location: Australia (97 per cent) Ethiopia, Madagascar, Mexico, USA

Rarity: rare, extremely rare

Chakra: Throat, Crown

Emotional: amplifies, awareness, desire, eroticism, release inhibitions, seduction, sexuality, soothing

Mental/intellectual: amplifies, love of life, optimism, spontaneity, unconventional thinking

Spiritual: angelic beings, chakra rebalancing, creativity, inspiration, protection, purification. Brings forth the muse.

Astrology: Libra

Number: 8; Pink Opal, 6; Black Opal, 1

Birthstone: October

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Exchange/Return Notes
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SKU: 76101536155

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Stephen Szczygiel
Omaha, US
★★★★★ 5
Hold vest
Color: Red, Size: 3X-Large
Great look & fit !
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Reviewed in the United States on March 1, 2026
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Trey
Birmingham, US
★★★★★ 5
Great vest
Color: Dark Grey, Size: X-Large
This lil vest is awesome. A little thicker than I expected but perfect for my cool office. Looks like it cost twice as much. I had my company info put on it and looks like it cost 150.
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Reviewed in the United States on April 16, 2026
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D.L. OHollaren, Jr.
New York, US
★★★★★ 3
fit
Snug fit.
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Reviewed in the United States on April 26, 2025
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Shopper scott
Charlottesville, US
★★★★★ 5
Ordering one of each color
Color: Dark Grey, Size: X-Large
Good quality for price. Probably the best item i have ever bottom off Amazon and this int a lie. I love this 1/4 zip vest. Works perfect.
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Reviewed in the United States on April 25, 2026
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Amazon Customer
Phoenix, US
★★★★★ 1
To heavy
Color: Black, Size: X-Large
Vest is heavy and frankly very warm can’t see in what environment I’d wear it because at 40-50 I would use light down coat with sleeves I returned from t same day I reviewed it
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Reviewed in the United States on January 8, 2026

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