Two inlays side by side on an 8mm polished tungsten carbide band: a channel of crushed natural moss agate and a channel of crushed natural black onyx, separated by a thin polished rail of bare tungsten. The pair sits off-center, so one shoulder of polished silver-gray metal is wider than the other. Low dome profile, comfort-fit interior, sizes 7 to 13.
Natural Moss AgateNatural Black OnyxOff-Set Twin ChannelsPolished Tungsten Carbide8 mm Dome ProfileComfort FitSizes 7–13
Green, Black and a Line of Silver
The Moss Agate Channel
Crushed moss agate packed edge to edge, a mottled forest green that shifts between blue-green and olive as the light moves. No two bands settle the same way.
The Black Onyx Channel
Crushed black onyx ground flush and polished, which reads as a deep glossy black stripe rather than a scatter of stones. It gives the green something to sit against.
The Rail Between
A narrow strip of polished tungsten divides the two, and the whole pair is pushed toward one edge. Wide shoulder up or down, there is no wrong way to wear it.
This is the silver-tungsten sibling of our off-set inlay bands. The off-set crushed ruby band in black tungsten uses the same idea with one stone; here the channel is split in two so the band carries the green of the agate and the black of the onyx at once. It is the men's half of the Noraleaf moss agate and black onyx couples ring set, pairing with the Noraleaf marquise moss agate ring in black ruthenium.
The Stones
Moss agate is a translucent chalcedony, 6.5–7 on the Mohs scale, whose green tracery is mineral rather than plant: manganese and iron oxides that crystallized inside the stone as it formed. Crushed and set this way it reads as a dense green mosaic rather than the branching pattern of a single cabochon. Our guide to moss agate meaning for couples covers why it has become the stone of choice for matching rings, and moss agate versus diamond sets it against the conventional choice.
Black onyx is the black variety of the same chalcedony family, 6.5–7 on the Mohs scale, opaque and unbanded. Both stones are natural, crushed into small fragments, packed into their channels in clear resin, then ground level with the metal and polished. Nothing is prong-set, so there is nothing to snag or lose.
Why Tungsten
Tungsten carbide sits around 8.5–9 on the Mohs scale, several times harder than gold or titanium, so the finish still looks like this after years of daily work where a precious-metal band would have gone soft with scratches. It is also heavy in the hand, which most people read as quality.
The trade-off is worth knowing before you buy: tungsten cannot be resized, and it cannot be bent. Under enough force it fractures rather than deforming. That is also a safety feature, since a tungsten ring can be cracked off in an emergency in seconds. Our guides to tungsten wedding bands, whether tungsten rings scratch and titanium versus tungsten go deeper.
Sizing
Sizes 7 through 13, including every half size. Tungsten cannot be resized, so ordering the right size matters more here than on a silver or gold band. Comfort fit means the inside of the band is domed rather than flat, which makes it slide on more easily; many people find they need a quarter to a half size smaller than in a standard-fit ring. If you are between sizes, size down rather than up. Our wedding band width guide shows what 8 mm looks like on the hand, and can tungsten rings be resized or cut off answers the question in full.
Browse the rest of our men's rings and wedding bands, tungsten rings, moss agate jewelry and black gemstone jewelry. If you are choosing it as an engagement ring rather than a wedding band, how to choose a men's engagement ring is the place to start.
Specifications
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Inlays: Natural moss agate and natural black onyx, crushed and set in clear resin, two off-center channels divided by a polished rail
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Metal: Tungsten carbide, silver-gray
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Width: 8 mm
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Profile: Dome, comfort fit interior
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Finish: Polished
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Hardness: 6.5–7 on the Mohs scale (moss agate, onyx); 8.5–9 (tungsten carbide)
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Sizes: 7 to 13, including half sizes
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Resizing: Not possible, tungsten cannot be resized
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Engraving: Available, up to 25 characters
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Matching ring: Noraleaf marquise moss agate ring in black ruthenium, also sold as a couples set
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Availability: Ready to ship
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Presentation: Free luxury velvet jewelry box
Care
Wipe with a soft, damp cloth and dry. A polished band shows fingerprints, so a quick wipe is the whole routine; skip polishing compounds and silver cloths, which are abrasive. Keep it out of chlorinated pools and away from bleach and solvents, which attack the resin holding the stones, and note that onyx is porous. Take it off for heavy lifting: tungsten resists scratches, but a hard impact against concrete or steel can crack it. Never use an ultrasonic cleaner on an inlay ring. Our guide to cleaning jewelry at home covers the rest.
Frequently Asked Questions
Are the stones natural?
Yes. Both the moss agate and the black onyx are natural stones, crushed and set in clear resin. Nothing is dyed, and nothing is a simulant.
Will the inlay look exactly like the photo?
Close, but not identical. The fragments settle differently in every band, so the density of green and the size of individual pieces vary. The black onyx channel reads as a solid glossy black on every ring. The width, the finish and the position of the channels are the same.
Which way up does it go?
Either. The channels sit off-center, so you can wear the wide shoulder toward your knuckle or toward your palm. There is no marking and no wrong orientation.
Is there a matching women's ring?
Yes. The Noraleaf marquise moss agate engagement ring in black ruthenium is the other half, and the two are sold together as the Noraleaf moss agate and black onyx couples ring set at a lower combined price.
Can it be resized?
No. Tungsten carbide cannot be resized. The material is far too hard to stretch or cut and rejoin. Order carefully, and size down rather than up if you are between sizes.
What does comfort fit mean?
The inside of the band is gently domed instead of flat, so less surface touches your finger. It slides on more easily and runs slightly large, so many people take a quarter to a half size smaller.
Will it scratch?
Barely. Tungsten carbide is 8.5 to 9 on the Mohs scale, harder than steel and several times harder than gold. A polished surface shows fingerprints and very fine marks, which wipe off; deep scratches are unlikely.
Can it crack?
Yes, under a hard enough impact. Tungsten is hard rather than tough, so it fractures instead of bending. That also means the ring can be removed in an emergency in seconds.
Is it safe for sensitive skin?
Yes. Tungsten carbide is hypoallergenic and contains no nickel.
Is this only for men?
No. It is listed as a men's band because 8mm is a width most men choose, but plenty of people wear a wide band regardless of gender. Sizes start at 7.
What does moss agate symbolize?
Growth, abundance and new beginnings. It is sometimes called the gardener's stone, which is a large part of why couples choose it for matching rings.
Can I have it engraved?
Yes. Engraving is available on the inner band, up to 25 characters, added as an option at checkout. Engraved items are final sale.
How does it arrive?
Ready to ship, in a free luxury velvet jewelry box.
