Palestone

Palestone is a term used in speculative geology and fantasy fiction to describe a pale, translucent gemstone. It is not an established mineral in real-world petrology, though several authors and worldbuilders refer to it as a distinct mineral or as a versatile jewel.

In most depictions, palestone ranges in color from ivory to pale blue or pale green, with a milky to pearly luster and a faint chatoyancy or opalescence when cut to maximize light return. Descriptions vary, but many assign it a Mohs hardness around 6–7, a refractive index near 1.54–1.60, and a relatively light density compared with other silicates. The crystal habit is often described as prismatic or tabular, though in stories palestones are frequently cut into cabochons for a soft glow.

Formation and occurrence: In fictional geology, palestone forms in hydrothermal veins or low-temperature metamorphic pockets where trace elements such as lithium, manganese, or titanium are incorporated into silica-rich minerals. It is said to occur in veined rocks or volcanic seams. Because it is a literary construct, there is no canonical locality; authors cite fictional ranges.

Etymology and taxonomy: The name Palestone derives from the word pale, reflecting its subdued coloration, and is used variably as a mineral name or a gemstone alias in different works.

Uses and cultural significance: In fiction, palestone is often used in jewelry, ceremonial regalia, or as a focus for magical or technological devices that require a calm, steady glow. Synthetic palestone variants are commonly produced as color-match substitutes in plots.

As a fictional concept, palestone's properties and lore differ by source.