• A hand holds a rough fire agate specimen with a tall, jagged tan stone and a heavily oxidized, bubbled brown and coppery lower section, set against a blurred outdoor background of green foliage and pink flowers. Text overlays identify the specimen as Deer Creek Fire Agate Rough Specimen DCR036.
  • A hand holds a rough fire agate specimen with textured, bubble-like crystalline formations in earthy brown, amber, and dark gray tones. Text overlays show the specimen ID 'Deer Creek Fire Agate Rough Specimen DCR036' at the top and a copyright notice for 'Fire Agate US' at the bottom.
  • A hand holding a rough natural fire agate specimen with a tall pointed crystal and clustered orange-brown agate bubbles, photographed outdoors with blurred green foliage in the background. Text at the top reads 'Deer Creek Fire Agate Rough Specimen DCR036' and a copyright watermark is visible at the bottom.
  • A hand holds a rough natural fire agate specimen with a tan and beige matrix and a cluster of translucent bluish-purple crystals, set against a blurred outdoor background of green foliage.
  • A hand holding a rough specimen of fire agate, showing translucent purple and smoky brown gemstone clusters set in a natural tan rock matrix. Text overlays identify the specimen as Deer Creek Fire Agate Rough Specimen DCR036 and credit Fire Agate US.
  • A hand holding a rough, natural fire agate stone specimen with a tan and beige crystalline structure, set against a blurred green outdoor background. Text overlays show the product name and a copyright notice for Fire Agate US.
  • A hand holding a rough, textured specimen of fire agate with dark gray to black dendritic crystalline patterns over a warm orange-brown and beige matrix, with green foliage blurred in the background. Text overlays identify the specimen as Deer Creek Fire Agate Rough Specimen DCR036 and credit Fire Agate US.
  • A hand holding a rough, natural fire agate specimen outdoors, with green foliage blurred in the background. Text at the top reads 'Deer Creek Fire Agate Rough Specimen DCR036' and a copyright watermark is visible at the bottom.
  • A hand holding a rough fire agate specimen with a textured tan body and a dark, bubbled orange-brown top section, set against a blurred background of green foliage and pink flowers.
  • A hand holding a rough natural fire agate specimen outdoors, with green foliage and pink flowers blurred in the background. White text at the top reads 'Deer Creek Fire Agate Rough Specimen DCR036' and a copyright watermark is visible at the bottom.
  • A close-up of a rough fire agate specimen held in hands, showing clustered coppery-brown and amber crystal formations with some darker translucent areas. Text at the top reads 'Deer Creek Fire Agate Rough Specimen DCR036' and there is a copyright watermark at the bottom.
  • Close-up of a fire-agate specimen with tightly packed rounded, glossy brown and amber-brown cells, some showing yellow-green tones. Text at the top reads 'Deer Creek Fire Agate Rough Specimen DCR036' and a copyright watermark is visible at the bottom.
  • A hand holding a rough specimen of Deer Creek Fire Agate, showing two distinct clusters of rounded, bubble-like agate crystals in dark gray and metallic copper-orange tones on a tan matrix.
  • Four views of a rough fire agate specimen on a brown background with a yellow tape measure underneath. The specimen shows natural color variations from tan and beige to gray, white, and dark brown.
  • Deer Creek Fire Agate Rough – Cabinet Specimen with Natural Gem DCR036 Product Video
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Fire Agate US

Deer Creek Fire Agate Rough – Cabinet Specimen with Natural Gem DCR036

Deer Creek Fire Agate Rough – Cabinet Specimen with Natural Gem DCR036

$125.00 USD
$125.00 USD
Sale Sold out
Shipping calculated at checkout.

This fire agate rough specimen is from the Deer Creek, Arizona. It is an all natural piece of gemstone rough with an exposed fire agate cluster of iridescent chalcedony displaying a natural play of color. The gem formation sits nestled in an area surrounded by portions of white opal and the supporting rhyolite host rock. The flat bottom of the specimen features dark colored manganese oxide dendrite mineral growths which are sometimes found on Deer Creek specimens. This piece could be used either as a display piece or as carving rough. It is suitable for either a mineral enthusiast or a carver looking for Arizona material.

The photos shown represent the actual specimen you will receive, photographed both outdoors in natural sunlight and indoors under full spectrum artificial light. The stone is displayed dry as well as wet to simulate a polished appearance for optimal visual display. This stone is a natural rock and is subject to normal flaws as found in nature or the result of the hard rock mining extraction (cracks, chips, etc).

Please note: As seen in the photographs, this specimen has minor flaws such as small chips and natural stress fractures; priced accordingly.

Specimen Physical Dimensions

Length: 3 1/4 inches

Width: 2 3/4 inches

Thickness: 1 1/2 inches

Weight: 146.2 grams (5.15 ounces)


Mineralogical Features

Iridescent Fire: In its unpolished state the specimen currently exhibits external flashes of orange and gold with hints of green iridescence. This fiery effect, known as the Schiller effect, is an optical phenomenon caused by light interference.

Colloform/Botryoidal Morphology: The gem features a classic bubble like (botryoidal) structure characteristic of chalcedony and fire agates.

Brecciated Host Rock: The fire agate gem formation sits beautifully nestled in its original brecciated rhyolite matrix. The fragmented, angular nature of this host rock tells a dramatic story of tectonic and volcanic fracturing.

White Opal Accent: Adjacent to the fiery chalcedony lies a pocket of natural white opal, offering a clean color contrast that accentuates the vibrant iridescence of the agate.

Black Mineral Growths: Adding deep contrast and mineralogical intrigue, the bottom base of the specimen features unique black colored mineral growths, which are likely iron or manganese oxide dendrite mineral growths, that cap off the piece's complex geological zoning.

Lapidary & Cutting Potential

For carvers, this specimen offers lapidary potential:

Distinct Color Horizons: The fiery layers are on the surface, clearly visible and well separated from the matrix, allowing a skilled cutter to carve down into the botryoidal contours to bring out the underlying color layers.

Contour Carving Candidate: Due to its prominent bubbly formation this piece is ideal for three dimensional freeform contour carving, preserving the natural anatomy of the chalcedony while maximizing color play.

Collector Dilemma: While the piece contains gem grade material suitable for gemstone carving, the aesthetic arrangement of the fire agate, opal, matrix and black growths makes it an equally powerful untouched cabinet display piece.

Geologic Formation Process

Fire agate formation is a rare and complex event that occurred approximately 24–36 million years ago during the Tertiary Period.

Volcanic Rupture & Brecciation: Explosive volcanic activity shattered the surrounding rhyolite, creating highly porous, brecciated open spaces and fluid pathways.

Hydrothermal Injection: Hot, silica rich groundwater saturated with iron oxides (such as goethite and hematite) repeatedly filled these voids.

Cyclic Deposition: As the fluids cooled, alternating microscopic layers of silica and iron oxide were deposited cyclically to build the botryoidal layers. These ultra thin mineral layers act as diffraction gratings. When light enters the stone it hits these layers and refracts, creating the signature spectrum of colors seen by collectors.

Opal & Oxide Phase Changes: Shifts in fluid chemistry and cooling rates led to late stage developments, depositing the clean white opal and the dark black mineral oxides on the base.

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Deer Creek Arizona Fire Agates

Deer Creek, Arizona, has long been celebrated among collectors for producing some of the most bright and brilliantly colored fire agate ever discovered. The material from this historic locality is especially prized for its intense, high‑contrast color play, where vibrant reds and oranges blend seamlessly with electric greens, deep purples, and occasional flashes of blue. These hues often appear in sharply defined layers, creating dramatic, three‑dimensional fire structures that respond beautifully to careful carving and polishing. Situated in the rugged landscapes of southeastern Arizona, the Deer Creek deposit has earned a reputation for yielding stones with exceptional clarity, strong fire development, and durable chalcedony caps. These desirable qualities make Deer Creek gems and rough ideal for both gemstone collectors and lapidary artisans seeking premium material. Many Deer Creek specimens exhibit intricate bubble formations, stacked fire layers, and complex patterns that give each gemstone a distinct personality. Because of this remarkable combination of beauty, rarity, and lapidary potential, Deer Creek fire agate consistently ranks among the most sought after and highly valued varieties of fire agate in the world.