Natural Mintabie Opal on Sandstone TF2037
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Natural Mintabie Opal on Sandstone
Approx. Dimensions: 1.5x1.5x0.5 inches
Approx. Weight: 22.2 grams
Locality: Mintabie, South Australia
Mintabie opal comes from the Mintabie opal fields in South Australia, known for producing vibrant, high-quality opals ranging from milky white to black, often with striking color flashes and unique patterns like color bars. Mined from silicified sandstone, these opals are prized for their clarity, hardness, and diverse colors, making them popular for jewelry, though mining operations faced closure in 2018.
Characteristics & Types
• Color: Exhibits the full spectrum, from milky white to deep black, often with bright rainbow flashes or distinct stripes from color bars.
• Base: Can have a light (potch) or dark backing, creating contrast.
• Vertical Opal: A unique type found in vertical joins of sandstone, sometimes showing dark/light bands.
• Hardness: Considered one of Australia's hardest opals.
Location & History
• Location: Mintabie, South Australia, about 180km south of the NT border.
• Discovery: First found in the 1920s but heavily worked from 1978.
• Mining: Traditional shaft sinking and modern machinery are used, but the town closed in 2018.
Mining & Cutting
• Opals are extracted from sandstone, often requiring careful work to reveal patterns.
• Miners cut the opal to maximize color, sometimes exposing stripes by cutting across color bars.
Orders typically ship within 24-48 business hours. Shipping options and costs are calculated at checkout.
International shipments are subject to duties/taxes that vary by recipient country. You are responsible for any duties, fees, or taxes associated with your shipment. International shipments that are returned to us due to failure to pay duties, fees, or taxes will be assessed a 25% restocking fee.
Returns are accepted within 14 days of delivery according to the tracking information on the order. Items must be returned in new/unused/undamaged condition to receive a full refund. Items returned to us damaged or not in original condition will receive a partial refund. Refunds will be issued to the original payment method on the order.
If a return is made for reasons other than an error on our part, a 20% restocking fee will apply and will be deducted from any refund due.
We will not accept returns for any items outside of the 14 day return window.
Return shipping costs are the responsibility of the sender. We do not refund shipping costs. Please contact us if you need to return an item.
Updated 5/14/2026
