Natural Petroleum Quartz – 0.75 ct Octagon Cut (4.9 x 6.3 mm) – Rainbow Iridescence & Black Mineral
Natural Petroleum Quartz – 0.75 ct Octagon Cut (4.9 x 6.3 mm) – Rainbow Iridescence & Black Mineral
Natural Petroleum Quartz – 0.75 ct Octagon Cut (4.9 x 6.3 mm) – Rainbow Iridescence & Black Mineral
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Elvira’s jewelry & 1% Gem

Natural Petroleum Quartz – 0.75 ct Octagon Cut (4.9 x 6.3 mm) – Rainbow Iridescence & Black Mineral

$1,021.00
$1,021.00
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Low stock: 1 left

SKU: fl004
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Description

Natural precision octagon-cut quartz featuring a complex central negative crystal chamber. The core holds a rich golden petroleum pocket paired with black mineral inclusion, showing a mesmerizing internal rainbow iridescence in daylight and emitting an icy-blue fluorescent glow under 365 nm UV light.

Specifications:

  • Weight: 0.75 ct

  • Dimensions: 4.9 x 6.3 mm

  • Shape/Cut: Octagon Cut / Emerald Step Cut

  • Origin: Madagascar

  • Inclusion: Central negative crystal chamber, Golden Petroleum, Rainbow Iridescence & Black Mineral inclusion (Static / No moving bubble)

Photo & Sizing Note:

  • All gemstone photos are captured using high-magnification macro photography to detail intricate internal inclusions. Images are enlarged for clarity and do not reflect actual size.

  • Photos were taken with an iPhone 17 Pro without color filters or digital alterations.

  • UV reaction images captured under 365 nm long-wave UV light.
Care instructions

Care instructions for silver jewelry

Kalevala silver jewelry is handcrafted in Finland from sterling silver. More than 99% of the silver we use is recycled.
Delivery and return

Deliveries

  • Free domestic delivery for orders over €100
  • Pickup from Kalevala stores is always free of charge
  • Collection from a parcel machine or collection point €5.90
  • Home delivery €8.90

Our delivery partners are

  • Postal
  • Budbee
  • Schenker
  • Matkahuolto
  • Returns

Domestic orders have a free 14-day right of return.

Secure Checkout with

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Mastercard
  • MB WAY
  • Shop Pay
  • Union Pay
  • Visa

FREQUENTLY ASKED QUESTIONS

How long until I have my stones ?

For in-stock loose gemstones, orders will be shipped within 2 business days upon receipt, with an estimated delivery time of 7 to 14 days.

If you would like to customize the loose gemstone into a finished jewelry piece, the crafting process will take approximately 1 to 1.5 months. Your order will be dispatched immediately once completed.
What is your Return Policy

All Sales Are Final & Non-Refundable Policy

Thank you for shopping with us. Due to the unique, one-of-a-kind nature of our natural mineral specimens and custom hand-cut gemstones, all sales are final. We do not accept returns, exchanges, or refunds for any items once a purchase is completed.

Product Transparency & Descriptions
To ensure complete transparency before purchasing:

  • Every listing includes high-magnification macro photography, precise dimensions (mm), carat weight (ct), and specific details regarding internal inclusions (including UV fluorescence reactions).
  • Photos are captured under professional lighting and 365 nm UV light without digital alteration or color filters.
  • Please review all product photos, video materials, and specifications carefully before placing your order. If you have any questions about a specific gemstone, please feel free to contact us prior to purchase.

Damaged or Incorrect Items Upon Delivery
While all items undergo strict quality inspection and secure packaging before dispatch, please inspect your order immediately upon reception.

  • If your item arrives damaged during transit or if you receive the wrong item, you must contact us within 48 hours of delivery at [Your Email Address].
  • Please include your order number, clear photos/videos of the damaged item, and the original packaging in your message.
  • Requests submitted after 48 hours of confirmed delivery will not be eligible for review.
How can I track my order?

We aim to process and ship orders within 24-48 hours of placement.

Once your order has been dispatched, you will receive an email with tracking details, allowing you to monitor its progress. Simply use the provided tracking information on our delivery partner’s website to stay updated on your shipment.
I have another question

Feel free to send us a direct message for any inquiries, and we’ll get back to you as soon as possible!