• A well-forms pink chalcedony nodule viewed from the side, with thick ropy banding of light pink chalcedony along the edge but turning into more white and opaque material on the left, near the matrix. The chalcedony forms a small disc with concentric rings, and some small quartz crystals around it.
  • The specimen fluorescing strong yellow-green under UV light in low lighting. The center of the main formation fluoresces the strongest, with a more milky reaction in the banding down the sides.
  • The specimen on its side, showing the angle with the more pink-tinted chalcedony. The side has thick ropy, undulating banding coming up to a fat rim with a small triangular cavity at the center.
  • The specimen on its side, rock matrix at the left-most edge. The chalcedony forms swirling, undulating layers of a more translucent pink-tinted material, with a flower of white agate banding with lumpy edges and botryoidal forms between them.
  • Side-view of the piece, again focused on the excellent transition from the thick pinkish ropy forms to the quartz druzy and white ringed disc. There are excellent fluid forms like drips over the edge of the matrix.
  • Angled view of the pink-tinted side of the piece, with wide ropy forms creating layers down the side like a messy stack of flapjacks. The pink hue is subtle, pale in comparison to the skin color of the fingers holding it.
  • Side-view of the specimen, focused on the side with the white agate banding creating a round form, with snaking and botryoidal shapes below it.
  • Detail of how the pink-tinted side meets the side with the white agate banding, showing a distinct separation in colors.
  • The underside of the specimen with broken gray-tan rocky matrix attached.
  • The piece on a measuring mat, measuring about an inch and a half long and an inch wide.
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Pink chalcedony nodule

Pink chalcedony nodule

$30.00 USD
$30.00 USD
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Locale: Yankee Dog Claim, Hidalgo, New Mexico

Approx size: 1.5"

Approx weight: 34g

 

Pink chalcedony nodules have been discovered across the southwest, and were prolific from this locale back in the 1990s. Today are much harder to come by—at least with any size or quality. 

The material is known for its strong UV reaction and undulating ropy, botryoidal forms. Pink chalcedony often grows shapes like a nest, cup, or knobby "ear" with raised rims of concentric banding. 'Agate' refers to chalcedony with banded color, whereas this chalcedony has banded structure. It has a dynamic, fluid appearance similar to its relative hyalite, as if someone piped icing on a cake when it was still warm so it's starting to melt down the sides.

This small specimen has a nice very light pink coloration and good translucency, with some more opaque whitish layers. This forms agate banding of white and light pink, most visible on the side where if forms white rings. There is an excellent formation with a disc of chalcedony with concentric rings, and small sparkling quartz crystals surrounding it. Chalcedony is the cryptocrystalline version of quartz with similar requirements for growth, which is why chalcedony can commonly feature quartz crystals.

UV reactivity this material has an excellent UV reaction, most pieces glowing strong green under 365nm UV light. The strongest UV reaction occurs at the center of the pink chalcedony "ear" on the specimen; the whiter material is less reactive. No phosphorescence detected.

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