Rectangular lepidolite cabochon in two formats: L4 (21×18×4 mm) and L9 (21×16×5 mm). The mineral shows the characteristic lilac-violet hue with silvery flashes from the stepped mica structure visible under direct light.
Piece Details
| Mineral |
Lepidolite (Lithium Mica, K(Li,Al)₃(AlSi)₄O₁₀(OH,F)₂, monoclinic system) |
| Dimensions |
L4: 21×18×4 mm | L9: 21×16×5 mm |
| Shape and Back |
Rounded rectangular, flat back |
| Finish |
Mirror polish |
| Hardness |
2.5-3 Mohs — closed bezel essential; not suitable for use in rings exposed to impact |
| Origin |
Material acquired from wholesale lapidary market |
| Treatment |
Untreated |
| Piece Type |
Available in 2 formats (L4 and L9) |
This specific piece
The color of these cabochons is a medium saturation lilac-violet with reflections varying between silver and pale gold depending on the mica lamellae exposed on the polished surface. The structure of lepidolite is stepped (pseudohexagonal) and, under glancing light, produces a soft sheen reminiscent of satin — more diffuse than the schiller of a pyroxene, more intimate and textural.
Lepidolite as a mineral
Lepidolite is a lithium mica: it belongs to the group of layered phyllosilicates and contains lithium (Li) as a substituting element in its structure. Lithium is indirectly responsible for the color: by replacing aluminum in the octahedral layer, it alters the distribution of color centers associated with manganese (Mn³⁺), which is the primary chromophore for the lilac color in lepidolite. It forms mainly in lithium-rich granitic pegmatites, associated with pink tourmaline (elbaite), spodumene, and beryl. Until the 20th century, it was the main industrial source of lithium before brine deposits and spodumene displaced its extraction.
What setting it works for
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Pendant with 925 silver bezel — the lilac-silver combination is classic and elegant.
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Earrings with closed bezel — the 21×18 mm format is suitable for large earrings.
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Wire wrap with fine silver wire — viable but requires care: the wire should not be pressed directly.
Lepidolite in lapidary tradition
The name "lepidolite" was introduced in 1792 by the German mineralogist Martin Heinrich Klaproth, combining the Greek lepidos (scale) due to the characteristic scaly appearance of micas. It was throughout the 19th century that it was recognized as a valuable source of lithium, an element previously little known. In the 1950s-1970s, before the Atacama salt deposits and Australian spodumene mines, lepidolite was the world's primary source of lithium for industry. In crystal tradition, lepidolite is associated with emotional calm and mood stabilization — a stone, according to tradition, that helps reduce inner noise and find a more stable frequency from which to operate.
The symbolic properties attributed to minerals belong to cultural and historical traditions. They are shared for educational purposes, not as medical advice or a substitute for professional care.
How to recognize genuine lepidolite
Authentic lepidolite has the stepped texture of micas even on the polished surface: under magnification, perfect cleavage planes at a 90° angle and differentiated reflections of each lamella can be seen. The lilac color is zonal and heterogeneous — it varies from area to area within the same piece; a perfectly uniform color may indicate dye. The flexibility of the lamellae (elastic in thin layers) is another characteristic of micas that can be checked at the edge of the piece if there is any thin lamella exposed. Its hardness of 2.5-3 Mohs means it will not scratch copper (Mohs ~3); any scratch with a copper coin confirms the correct hardness.
Frequently Asked Questions
Does low hardness limit its use in jewelry?
Lepidolite has a Mohs hardness of 2.5-3, similar to gypsum and calcite. In jewelry, this means the stone can be scratched by hard metals or abrasive surfaces in everyday use.
Is it color treated?
No detectable treatment. The lilac color of lepidolite comes from intrinsic Mn³⁺ color centers in the mineral. Statement based on observation; does not include formal gemological certification.
Are the flashes a coating?
No. The silvery flashes are the natural luster of the phyllosilicate mica lamellae exposed on the polished surface.