Unique numbered "Wild Horse" Magnesite cabochons from Arizona (USA). White-cream magnesite base crossed by irregular brown and black hematite veins, forming the organic pattern that gives the variety its name. Each piece is unique: the variant number identifies a specific piece.
Piece Details
| Mineral |
Magnesite with hematite (magnesium carbonate MgCO₃ with iron oxide Fe₂O₃ inclusions) |
| Dimensions |
Variable per piece; approximate range 35–60 mm on the longest dimension (±0.5 mm). Select piece number in the dropdown to view specific image. |
| Shape and Back |
Freeform, flat back |
| Finish |
Mirror polish |
| Hardness |
3.5–4.5 Mohs — semi-hard material; we recommend closed bezel setting. Not suitable for frequently worn rings without additional protection. |
| Origin |
Arizona, USA |
| Treatment |
No detectable treatment. Some "Wild Horse" magnesites on the market are resin-stabilized; this batch shows no signs of stabilization under direct observation. |
| Piece Type |
9 unique numbered pieces (choose number before adding to cart) |
This specific piece
No two "Wild Horse" pattern pieces are alike. The design of each cabochon is the result of how the hematite veins run within the magnesite in that specific area of the rock.
Larger sizes (35–60 mm) have enough visual presence for statement pendants.
How the "Wild Horse" pattern forms
"Wild Horse" Magnesite forms in hydrothermal deposits in Arizona where magnesite (MgCO₃) precipitates from magnesium-rich solutions, trapping iron oxides—mainly hematite (Fe₂O₃)—in the form of irregular veins, spots, and networks within it.
What settings it works for
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925 silver pendants with closed bezel setting — the white of the magnesite contrasts naturally with silver, creating a cool and clean palette combination.
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Large format earrings in open settings or half bezels — larger formats allow for earrings with a strong visual presence.
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Wire wrap and macrame — the flat back and freeform shape make these cabochons a very suitable material for asymmetrical design wire wrap.
"Wild Horse" Magnesite in lapidary tradition
The name "Wild Horse" was coined by lapidary merchants in Arizona in reference to the stone's visual pattern. It does not correspond to an official mineralogical name, but rather a commercial designation that describes the specific aesthetic variety of magnesite with hematite extracted in this region.
In crystal tradition, magnesite is associated with calm, patience, and openness. The contrast between pure white and brown hematite is interpreted as the balance between the spiritual and the earthly. 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 "Wild Horse" Magnesite
Genuine magnesite has an opaque white-cream base with no transparency. Hematite veins should be opaque brown or black, with well-defined edges. A simple test: magnesite reacts slightly to dilute hydrochloric acid (bubbling), unlike most synthetic imitations.
Frequently asked questions
Is magnesite the same as white turquoise?
No, although it is sometimes fraudulently sold as "white turquoise." Turquoise (CuAl₆(PO₄)₄(OH)₈·4H₂O) and magnesite (MgCO₃) are completely different minerals in composition and properties. The confusion arises because both can be white or cream with dark veins. Genuine magnesite has a lower density and slightly lower hardness than quality turquoise.
Has it received any treatment?
No detectable treatment in this batch. Magnesite is sometimes stabilized with resin to increase hardness; under direct observation, these pieces show no signs of this. Statement based on lapidary observation; the piece does not include formal gemological certification.
More about magnesium carbonates: properties and uses of magnesite. See also: cabochons for artisan jewelry · 925 silver pendants.
