How much does Musgravite cost?

Musgravite is closely related to taaffeite and is possibly even rarer. It was discovered in 1967 in the Musgrave Ranges of central Australia and for decades was known from only a handful of tiny specimens.

The mineral forms in high-grade metamorphic rocks, specifically in granulite-facies rocks where extreme temperatures and pressures produce unusual mineral assemblages. The beryllium-magnesium-aluminum chemistry requires conditions found in only a few geological settings on Earth.

Gem-quality musgravite was essentially unknown until 2005, when a few transparent stones were identified and faceted. These are among the rarest faceted gemstones in existence. The total number of gem-quality musgravite stones known is estimated at fewer than 20, making it a contender for the title of rarest gem in the world.

Identification Guide

Musgravite is identified by its grayish-green to violet-gray color, hardness of 8, trigonal crystal system, and SG of 3.68. It's closely related to taaffeite but has a different crystal structure (trigonal vs. hexagonal) and slightly higher SG.

Distinguish from taaffeite (hexagonal, slightly lower SG), spinel (isometric, singly refractive), and sapphire (different RI range). Professional laboratory analysis is the only reliable method for distinguishing musgravite from taaffeite.

Spotting Fakes

Musgravite is so rare that most gemologists have never seen one. Any claimed musgravite absolutely requires certification from a major gemological laboratory with experience in rare gems (GIA, Gübelin, SSEF). The distinction from taaffeite requires advanced crystallographic analysis. Given that fewer than 20 gem-quality specimens are believed to exist, extraordinary claims require extraordinary proof.

Some links in this post go to Amazon. Crystal Almanac earns a commission from qualifying purchases at no extra cost to you. Tools recommended here are ones we would use ourselves to run the tests described - the recommendation comes first, the link is downstream of it.

Verify Musgravite Before You Buy

Affiliate picks

Musgravite gets imitated with glass, dyed stand-ins, and cheaper lookalikes. These four tools run the checks in the Spotting Fakes section above, so you can tell real from fake before you pay - online, at a show, or in a shop.

10x triplet jeweler's loupe$20-40
The first tool worth owning. Round gas bubbles (glass), dye pooled in cracks (dyed howlite, magnesite, agate), and flow lines are invisible to the naked eye and obvious at 10x. A triplet lens keeps the edges sharp.
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Mohs hardness pick set~$40
Calibrated picks settle the cheap swaps in seconds - howlite (3.5) sold as turquoise (5-6), glass (5.5) sold as quartz (7). Faster and more accurate than the fingernail-and-knife method.
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0.01g digital pocket scale~$15
Density catches what the eye misses. A glass 'quartz' weighs suspiciously light; lead-loaded plastic 'lapis' weighs suspiciously heavy. Weigh, compare to the known density, and flag the mismatch before the money leaves your hand.
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365nm UV flashlight$20-30
Many stones have a distinctive fluorescence (hyalite opal, fluorite, ruby, scheelite). A longwave UV light is the fastest tiebreaker when a piece passes the other tests but still looks off.
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Cultural & Metaphysical Traditions

Presented as cultural traditions, not scientific evidence

Musgravite is essentially unknown in the crystal healing world due to its extreme rarity. The few practitioners who have encountered it describe it as carrying an ancient, profound energy connected to Earth's deepest geological processes. Its Australian outback origins connect it to Aboriginal Dreamtime concepts of deep time and creation.

Metaphysical and “healing” associations are cultural traditions, not medical advice or scientific fact. Crystals are not a substitute for professional medical care.

ChakraCrown ZodiacScorpio ElementEarth ElementSpirit

Where It's Found

Australia - Musgrave Ranges, South Australia

Type locality, discovered 1967

Madagascar - Various

Some gem-quality material found

Greenland - Various

Rare occurrences

Antarctica - Various

Identified in geological samples

Price Guide

Entry$5,000-20,000/ct rough

Mid-Range$35,000-100,000+/ct faceted gem quality

Good to Know

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Scratch test: At hardness 8, Musgravite can scratch glass and steel. It's durable enough for any type of jewelry.

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Global supply: Found in 4 notable locations worldwide, from Australia to Antarctica.

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Heft test: Musgravite has a specific gravity of 3.68 - noticeably heavier than quartz. You'll feel the density when you pick it up.

Care & Safety

What musgravite can and cannot tolerate, based on its hardness (Mohs 8) and chemistry (Be(Mg,Fe,Zn)₂Al₆O₁₂).

Can Musgravite go in water?

Yes. Musgravite is hard (Mohs 8) and chemically stable, so plain water is fine for rinsing and cleaning with mild soap. Avoid prolonged soaking, which serves no purpose, and dry the stone afterward.

Can Musgravite go in salt water?

Not recommended, even though musgravite itself is hard and not water-soluble. Salt is corrosive and mildly abrasive: it can dull a polished surface, attack metal settings, and crystallize inside small fractures as the stone dries. Musgravite's iron content also makes rust staining likely if salt residue sits on the surface. A brief dip will not destroy musgravite, but rinse it with fresh water afterward and dry it. For routine cleaning, plain water is the safer choice.

Water safety for every stone →Full crystal care guide →