Provenite

Hiddenite (Alexander County)

AreaUnknownDraft data

35.9053° N, 81.0861° W · ± 10 km

Citrine and Siderite from North Carolina, United States, with photos of specimens from this locality.

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Minerals found here

CitrineSiderite

Citrine at Hiddenite (Alexander County)

Single sharp, glassy citrine crystal from Hiddenite, North Carolina, 6.5 cm.
Single sharp, glassy citrine crystal from Hiddenite, North Carolina, 6.5 cm.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Second view of the citrine crystal from Hiddenite, North Carolina.
Second view of the citrine crystal from Hiddenite, North Carolina.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
SiO₂
Morphology
Single sharp prismatic crystal
Typical size
About 6.5 cm specimen
Color / luster
Yellow citrine colour, glassy luster

Sources: SRC-462 SRC-455 SRC-456

About Citrine →

Siderite at Hiddenite (Alexander County)

Sharp olive-green siderite crystal on pyrite-covered matrix from the Rist Mine, Hiddenite.
Sharp olive-green siderite crystal on pyrite-covered matrix from the Rist Mine, Hiddenite.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Large rhombohedral siderite crystals with muscovite from the Emerald Valley Mine, Hiddenite.
Large rhombohedral siderite crystals with muscovite from the Emerald Valley Mine, Hiddenite.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
FeCO₃
Morphology
Sharp rhombohedral crystals
Typical size
Crystals to about 4 cm
Color / luster
Olive-green, lustrous
Associated minerals
Pyritemuscovite
Availability
Scarce
History
Rist Mine specimens date from a series of finds in the 1960s; others come from the Emerald Valley Mine.

Sources: SRC-624

About Siderite →

Geology of the locality

Setting
Piedmont gem district in Alexander County where quartz-feldspar pegmatites and later shear-zone fissures cut folded gneiss; the nearby hiddenite mine area is described in a mineralogical collector's article.
Host rock
Quartz-biotite-garnet gneiss
Region
North Carolina
Country
United States

Village-level position from Wikipedia; the geology refers to the hiddenite mine near the village, not to the specific citrine find.

Sources: SRC-455 SRC-456

Sources

  1. SRC-455 · Website
    Hiddenite, North CarolinaWikipedia contributors · Wikipedia
  2. SRC-456 · Article
    Hiddenite (Collector's Corner archive article)Mineralogical Society of America · msaweb.org
  3. SRC-462 · Website
    File:Quartz-gem7-74a.jpg (Wikimedia Commons)Robert M. Lavinsky (photographer) · Wikimedia Commons
  4. SRC-624 · Website
    File:Siderite-173720.jpgRobert M. Lavinsky · Wikimedia Commons

Draft data from the Provenite workbook. Check entries against the cited sources before relying on them. Photos are open-licence images from Wikimedia Commons; the author and licence are given with each photo.