Osmium Crystal

US$ 1,196.86

Crystallized Osmium is known for its bluish shining crystal structure, high purity and extraordinary beauty. Our crystals ship with a digital certificate of genuineness.

  • Each Osmium crystal is unique
  • Particularly high purity: Over 99.995%
  • Sparkles brighter and clearer than diamonds
  • High quality production from Austria
  • Rarer than gold
  • Weight 3.3g
  • Purity > 99.995%
  • Secure payments and encrypted connection
  • Delivery: 7-14 work days

Why osmium crystals?

Osmium crystals are pure rarity. Each piece is grown over weeks through a complex chemical vapor transport (CVT) process and develops a surface structure that exists only once.

"You are not buying a weight of precious metal — you are buying pure rarity."

— The principle behind osmium crystals

Serialized & certified — Made in Austria

Each crystal carries its own serial number, linked to a digitally signed certificate of authenticity. Purity, weight, and visual representation are permanently documented. Manufactured and tested in Austria — with a guaranteed purity of at least 99.995%.

Rare and valuable

Osmium is one of the rarest precious metals on Earth. Estimates suggest that less than 1 ton is produced annually worldwide. The crystallized form is even rarer — each piece requires weeks of controlled growth under laboratory conditions.

Unique crystal structures

Crystalline osmium reflects light differently than other precious metals. The micro-facets on each surface refract light in a bluish shimmer that changes with viewing angle. Each surface grows individually — the structure you see exists only once.

Learn more about the crystal surface

Physical and digital

MetaMetals bridges physical and digital ownership. A marketplace and MetaMetals Pro are in development. It will make it possible to hold, resell, or trade a crystal as a tokenized precious metal.

MetaMetals Pro

Osmium crystal vs. osmium bar — which is right for you?

Osmium Crystal Osmium Bar
Form Unique crystalline surface Uniform sintered metal
Uniqueness Each piece is one-of-a-kind Standardized by weight
Price per gram ~348,74 $ (uncut) to ~929,96 $ (cut) ~56,03 $
Best for Collectors, jewelry, digital trading Investment, portfolio allocation
Visual appeal Extraordinary — bluish shimmer, micro-facets Functional — bluish shimmer, small bars mirror-polished
Purity ≥ 99.995% ≥ 99.95%
Digital twin Yes (weight > 5g) No
Trading Marketplace; crystals >5g eligible for MetaMetals Pro (both in development) Marketplace trading (in development)
Certificate Yes, digital certificate Yes, digital certificate

Both forms are legitimate ways to own osmium. Bars are the simpler, more accessible entry point for investors who want exposure to osmium by weight. Crystals are for buyers who value the combination of material rarity, visual uniqueness, and the fact that their specific piece will never exist again.

How osmium crystals are grown

Video: The CVT crystallization process of osmium

During the crystallization process, a so-called transport gas absorbs solid osmium. Over a period of several weeks to months, the vapor transports the bound osmium within a sealed transport vessel to a cooler end, where it slowly forms a crystalline structure under perfect conditions. The conditions — temperature, pressure, time, and gas composition — determine the success of the crystallization. The process is highly sensitive. Even a small change in parameters can make crystal growth impossible or yield an unsatisfactory result.

The growth conditions shape the final form of the crystal: the size and orientation of the facets, and the surface texture. Every crystal has a unique surface geometry, and no crystal can be reproduced. This is not a design decision but a physical inevitability of the crystallization process.

MetaMetals' crystallization is led by Dr. Alexander Wimmer in Austria, using 100% renewable energy. The process has been refined over years to produce crystals of exceptional clarity, purity and surface quality.

Read the full crystallization process

See the surface up close

The images above show the actual surface structure of individual MetaMetals osmium crystals, photographed at high magnification. The micro-facets you see are the direct result of the CVT crystallization process. Some facets are bigger than others and appear like a mirror. This is why no two crystals look alike and why the visual properties of crystalline osmium make it interesting for jewelry.

More crystals

Resale and digital trading

Physical Trading

Marketplace

MetaMetals is developing a marketplace where crystal owners can resell to other verified buyers — with secure payment processing and assistance with product verification.

In Development Learn more about the marketplace
Digital Trading

Digitalization (from 5g)

Based on the unique surface geometry of your crystal, a digital twin is created. Tokenization makes it possible to trade both the digital twin and the corresponding crystal without physical shipping in an innovative way.

In Development Learn more about tokenization MetaMetals Pro
FAQ

Find answers to the most frequent questions here.

Osmium crystals can be purchased from MetaMetals online. Each crystal is one-of-a-kind, certified, and ships with a certificate of authenticity. For sale from €289.

>99.995% guaranteed. Higher than sintered bars (99.95%). Certificate included.

Crystallized osmium is non-toxic and safe for direct skin contact. Only raw osmium powder is hazardous (OsO₄). All MetaMetals crystals are fully processed and certified.

Learn more about osmium safety →

The CVT crystallization process takes weeks to months. Each crystal is unique — no standardized production. The premium reflects the complexity and the collector value of a one-of-a-kind object.

Yes — physical fact, not marketing. CVT growth produces unrepeatable surface geometry. Serial number linked to specific surface, documented in certificate.

MetaMetals is building a marketplace with escrow, verification, insured shipping. Crystals can also be tokenized for trading without physical shipping. In development.

Learn more about the MetaMetals marketplace →

Crystals ≥5g can be tokenized on the Pro platform, creating a digital twin for trading.

Learn about tokenization →

Crystals = unique, CVT-grown, collector-focused, from €289. Bars = standardized, sintered, investment-focused, from €120.

Browse osmium bars →

Buy Osmium Crystals?

Each crystal is a certified, one-of-a-kind piece with purity ≥99.995%, shipped from Austria.

Browse Crystals

Why buy osmium crystals from MetaMetals?

  • Certified osmium crystals with > 99.995% purity
  • Each crystal is structurally unique
  • Made in Austria with renewable energy
  • Digital certificate of authenticity included
  • Secure payment: Card, PayPal, Bank transfer & more
  • Insured shipping worldwide
  • Eligible for MetaMetals Pro (≥5g)
  • Personal support via email, phone & chat