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Infinite Concept Universe
Boulder Opal Universe is connected to ICUBOU008 adds a synthetic, source-grounded lapidary teaching simulation. It does not analyze a real stone, predict a cut, guarantee yield or estimate value.
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Documented specimen record · BOU006

GIA field report · Quilpie opal-bearing ironstone concretion

A documented Quilpie ironstone concretion shown externally by GIA with boulder opal at its centre. ICU does not reproduce the source photograph.

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bou:specimen:gia-2017-quilpie-concretion

Evidence record

Source / collection
Source image credited by GIA and courtesy of Sunrise Opal; no separate ICU collection accession asserted.
Provenance
Quilpie source; GIA captions the exterior and interior of an opal-bearing ironstone concretion from Quilpie. Confidence: documented.
Host material
ironstone concretion
Opal component
boulder opal at the centre of the documented concretion
State
rough section
Dimensions
Not stated by source
Treatment / synthetic
not stated by source; not inferred
Pattern descriptor
No named pattern assigned by the source; BOU does not add one.

Media rights

Authentic source image kept at the source.

The record is real; the diagram above is not the specimen. BOU006 does not reproduce the source photograph because reusable image rights were not independently established for ICU.

Rights status: external_reference_only_not_reproduced. Photo by Andrew Lucas/GIA, courtesy of Sunrise Opal; reuse rights not independently licensed for ICU.

Interpretation boundary

What stays unknown stays unknown.

This route does not infer treatment, mine identity, rarity, price or authenticity from appearance. A documented field relationship is linked only when the cited record supports it.

Evidence ledger

What is documented, contextual, observed and unresolved.

The ledger is intentionally fail-closed: a missing fact stays missing.

Documented source record

Quilpie source; GIA captions the exterior and interior of an opal-bearing ironstone concretion from Quilpie.

Source locator · GIA Queensland Opal Fields article, Quilpie section, opal-bearing ironstone concretion caption.

Source IDs · BOU-SRC-007

Context, not provenance

Use field/geology only within the documented link.

  • Field-level geology and history may be linked as context because the specimen source explicitly names the field; that context is not additional mine-level provenance.
Source-described observation

Description stays descriptive.

  • GIA captions an opal-bearing ironstone concretion from Quilpie and documents boulder opal at its centre.

ICU visual classification status · not performed.

Unresolved + expert-testing gate

Unknowns are part of the record.

  • Dimensions are not stated in the published specimen record.
  • Treatment status is not established by the cited source record.
  • Natural versus laboratory-grown status is not independently determined by ICU.
  • Monetary value, rarity grade and investment quality are outside this record.
  • Mine-level origin is unresolved unless a source explicitly establishes it.

When natural/laboratory-grown or treatment determination matters, use qualified gemological examination/testing. That still does not create automatic geographic origin or valuation.

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