Monazite

Monazite specimens for sale

7 for sale ยท $120โ€“$1,200 USD

24 in the gallery

Monazite is a phosphate mineral that forms as reddish-brown to brown prismatic crystals with a typically vitreous to resinous lustre. It occurs in a variety of geological settings, including igneous and metamorphic rocks, as well as placer deposits where heavy minerals accumulate. The mineral often exhibits a ruddy hue and can appear in several crystal habits, from well-formed prisms to more compact grains, reflecting its complex cooling histories and replacement processes.

Formula
Gd(PO4)
Rarity
Common
Stability
Stable
Collector interest
High Interest

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Where Monazite is found

About Monazite

Notable specimens come from Bolivia, Norway, Brazil, Switzerland, and Madagascar, where hydrothermal activity and uplifting have exposed mineral-rich strata. In many localities monazite occurs alongside accessory minerals such as apatite and zircon, contributing to its occurrence in monazite-(Ce) and related compositions. Collectors prize its warm color and the potential for pleasing crystal form, as well as the role monazite plays in geochronology due to its radiation-sensitive U-Pb dating when discussed in academic contexts. Mineral enthusiasts often seek well-formed crystals and aggregates that showcase its characteristic luster and color, adding depth to any collection.