Melonite

A variety of Minerals

Melonite specimen

What is Melonite?

Melonite is a telluride of nickel; it is a metallic mineral. Its chemical formula is NiTe2. It is opaque and white to reddish-white in color, oxidizing in air to a brown tarnish. It was first described from the Melones and Stanislaus mine in Calaveras County, California in 1866, by Frederick Augustus Genth. Melonite occurs as trigonal crystals, which cleave in a (0001) direction. It has a specific gravity of 7.72 and a hardness of 1–1.5 (very soft).

Market Value Factors

Pricing varies for every rock and mineral, so use these universal factors to gauge Melonite before comparing listings or appraisals.

Size & Weight

Larger, intact specimens usually command higher prices.

Rarity & Demand

Scarce material or popular varieties sell at a premium.

Condition & Finish

Chips, repairs, and heavy wear lower value; clean prep helps.

Treatment & Provenance

Untreated specimens with documented locality are prized.

Applies to all rocks & minerals.

Melonite Localities Map

See where Melonite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

More Images

Melonite specimen
Robert M. Lavinsky

Quick Facts

Physical Properties

Hardness (Mohs)
1 - 1.5

Chemical Properties

Chemical Formula
NiTe2
Elements
Ni, Te
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Melonite FAQs

How do I identify Melonite?

Melonite can be identified by its hardness of 1 - 1.5 on the Mohs scale. Look for these key characteristics when examining specimens.

How hard is Melonite?

Melonite has a hardness of 1 - 1.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.

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