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$85.00
Current Bid
24
Bids
Closed
04/09/2024 01:29 pm
24
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15

Rare Andesine Sunstone 4.01 ct Attarctive Color Untreated SKU-3

SKU
Dimensions (mm)
11.450 x 8.410 x 6.610mm
Weight (cts)
4.010
Treatment
No Treatment
Shape
Oval
Type
Faceted
Colours

Andesine occurs in various colors, from red and honey-red to orange, yellow, champagne, and green. The semi-precious gemstone often shows greenish hints and a faint metallic shiller (or labradorescence). Some are even color-changing, displaying different hues under different types of lighting.

All plagioclase feldspars are composed of albite (sodium aluminum silicate) and anorthite (calcium aluminum silicate) in varying compositions. Other plagioclase minerals include bytownite, moonstone, oligoclase, and spectrolite, among others.

Andesine has a ratio of 30 to 50 percent anorthite to 50 to 70 percent albite, so some mineralogists classify it as an albite variety.

In terms of habits, andesine rarely forms as crystals; when it does, they’re usually small. Andesine crystals often display Albite, Pericline, and Carlsbad twinning. Usually, andesine is found in granular or massive habits.

Here’s an overview of andesine’s mineral traits:

  • Chemical formula: (Na,Ca)[Al(Si,Al)Si2O8]

  • Mohs hardness: 6 to 6.5

  • Color: White, gray, green, yellow, red, orange, pink, champagne, golden

  • Crystal structure: Triclinic

  • Luster: Sub-vitreous or pearly

  • Transparency: Transparent to opaque

  • Refractive index: 1.56 to 1.57; Increases with higher calcium content

  • Density: 2.66 to 2.68; Increases with higher calcium content

  • Cleavage: Perfect on {001}, good/distinct on {010}

  • Fracture: Subconchoidal or irregular/uneven

  • Streak: White

  • Luminescence: Fluorescence (weak); Red, blue, pink, yellow, or yellowish-brown in SW-UV, violet in MW-UV, and yellowish-white, orange, or orange-red in LW-UV

  • Birefringence: 0.009

  • Pleochroism: None

  • Dispersion: Weak to none

  • Optical effects: Sometimes color-changing

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Express Shipping $55.00 / 2 days $55.00 / 7 days
Thailand
Express Shipping is discounted to $55.00 on orders with 2 or more items
Rest of the world
Express Shipping is discounted to $55.00 on orders with 2 or more items
Registered Shipping $10.00 / 7 days $10.00 / 21 days
Thailand
Registered Shipping is discounted to $10.00 on orders with 2 or more items
Rest of the world
Registered Shipping is discounted to $10.00 on orders with 2 or more items

gemsmine
gemsmine
Gems Mine: Your One-Stop Shop for High-Quality Gemstones. ...................................... As a gemstone enthusiast, you know how challenging it can be to find high-quality stones at reasonable prices. That's where Gems Mine comes in - we're a well-established gemstone wholesaler operating in Pakistan and Thailand for the past 5 years. Our mission is to provide our customers with the best possible selection of high-quality semi-precious and precious gemstones sourced from around the world. Our Specialty: Sourcing the Best Quality Gemstones At Gems Mine, we take great pride in our ability to source only the highest quality gemstones from around the world. Our focus is on regions such as Africa, Pakistan, Tajikstan, Afghanistan, and Kashmir - areas with a rich history of producing some of the most beautiful gemstones in the world. We believe that our strong connections to these important mining and market areas allow us to offer our customers stones of the highest quality at attractive prices. We work closely with our suppliers to ensure that our customers receive only the best stones available. Our Selection: A Wide Range of Gemstones At Gems Mine, we understand that every customer is unique, with their own tastes and preferences. That's why we offer a wide range of gemstones to choose from, including: Emeralds Sapphires Rubies Topaz Amethysts Citrines Peridots And much more! We believe that our selection of gemstones is one of the best in the industry, and we're constantly updating our inventory to ensure that we have the latest and greatest stones available. Our Service: Exceptional Customer Care At Gems Mine, we believe that exceptional customer care is key to our success. We strive to provide our customers with the best possible shopping experience, from the moment they land on our website to the moment they receive their order. Our team is made up of gemstone experts who are always on hand to answer any questions you may have about our products. We're here to help you find the perfect stone for your needs, whether you're a professional jeweler or a hobbyist. Our Promise: Quality and Value At Gems Mine, we understand that quality and value are of the utmost importance to our customers. That's why we promise to provide you with only the best quality gemstones at the most competitive prices. We believe that our dedication to quality and value sets us apart from our competitors. We stand behind every stone we sell, and we're confident that you'll love your purchase. Why Choose Gems Mine? Wide selection of high-quality gemstones Competitive pricing Exceptional customer care A focus on quality and value At Gems Mine, we believe that we offer the best possible combination of quality, value, and service in the industry. We're committed to providing our customers with the best possible shopping experience, and we're always looking for ways to improve. If you're in the market for high-quality gemstones, look no further than Gems Mine. We're your one-stop shop for all your gemstone needs. Conclusion At Gems Mine, we're passionate about gemstones, and we're committed to providing our customers with only the best quality stones at the most competitive prices. Our selection of gemstones is one of the best in the industry, and our team of experts is always on hand to help you find the perfect stone for your needs. We believe that our dedication to quality, value, and customer care sets us apart from our competitors, and we're proud to be one of the most trusted gemstone wholesalers in Pakistan and Thailand.
Silom, Thailand
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Bids History (24)
falcone
Purchased from this seller previously
2 months ago
Automated Bid
$84.00
12cartagena
Purchased from this seller previously
2 months ago
$83.00
falcone
Purchased from this seller previously
2 months ago
Automated Bid
$63.00
12cartagena
Purchased from this seller previously
2 months ago
$62.00
falcone
Purchased from this seller previously
2 months ago
Automated Bid
$61.00
ramo701
Purchased from this seller previously
2 months ago
$60.00
falcone
Purchased from this seller previously
2 months ago
$54.00
mitra123
Purchased from this seller previously
2 months ago
Automated Bid
$53.00
mitra123
Purchased from this seller previously
2 months ago
Automated Bid
$45.00
2 months ago
$44.00
mitra123
Purchased from this seller previously
2 months ago
$43.00
bieder2332
Purchased from this seller previously
2 months ago
$42.00
beautifulgemslover
Purchased from this seller previously
2 months ago
Automated Bid
$41.00
ffgems
Purchased from this seller previously
2 months ago
$40.00
beautifulgemslover
Purchased from this seller previously
2 months ago
Automated Bid
$39.00
iona
Purchased from this seller previously
2 months ago
$38.00
beautifulgemslover
Purchased from this seller previously
2 months ago
Automated Bid
$37.00
2 months ago
$36.00
beautifulgemslover
Purchased from this seller previously
2 months ago
Automated Bid
$30.00
2 months ago
$29.00
beautifulgemslover
Purchased from this seller previously
2 months ago
$23.00
diamondmojoe
Purchased from this seller previously
2 months ago
Automated Bid
$22.00
diamondmojoe
Purchased from this seller previously
2 months ago
$2.00
mitra123
Purchased from this seller previously
2 months ago
$1.00

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Audit

This product has been audited by a Gemstone Sheriff and they have found the following:
  • Description Accurate
  • Pictures Accurate

Comments

The Verified Seller responsible for this item has diligently provided us with accurate and comprehensive information, encompassing crucial details such as weight, dimensions, and treatment. It is important to reiterate our commitment to upholding the highest standards of integrity and transparency in the gemstone industry. As part of our policy, we strictly permit the sale of exclusively natural gemstones that have been sourced directly from the Earth. However, in the event that a gemstone has undergone any form of treatment, it is mandatory for the seller to provide full disclosure regarding the treatment process. Furthermore, we would like to emphasize that man-made gemstones, including simulants and imitations, are strictly prohibited on our platform. We prioritize the promotion of authentic, natural gemstones to ensure a genuine and trustworthy marketplace for our valued customers. Should you have any further inquiries or require additional assistance, please do not hesitate to reach out. We are here to assist you and provide a seamless experience on Gem Rock Auctions.

This audit was requested 2 months ago
Last updated 2 months ago

Shipping Details

Shipping:
$35.00 5 days via FedEx
Ships from:
Thailand

Payment Options

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Overview

Listing Type : Premium
Product ID : 2537351
Estimated RRP : $800.00
Starting Bid : $1
Starts : 28th August 2024 01:26 pm PDT
Ends : 4th September 2024 01:29 pm PDT
* All prices are in USD