Green crystals
You know the colour you want. The hard part is knowing which stone actually owns it.
Green crystals are not one stone. 54 different minerals show up green here, Alexandrite, Amazonite and Amber among them. Colour is the easiest thing to fake, so it is the worst way to name a stone. Every entry below gives you the test that settles it.
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- Alexandrite8.5 Mohs · chrysoberyl · heart, crownAlexandrite should not exist. Beryllium collects in granite pegmatites, near the top of the crust. Chromium belongs to ultramafic rock…
Amazonite6-6.5 Mohs · feldspar · heart, throatAmazonite grew in cooling granite, in the last pockets of melt to harden. The green comes from a trace of lead locked in it. Nobody dyed…
Amber2-2.5 Mohs · organic · solar-plexus, sacralPick it up. Four seconds in your palm and it is warm. Glass and plastic never manage that. It is not a stone. It is tree resin that ran…
Ammonite3.5-4.5 Mohs · organic · root, crownThis was an animal. It swam, it died out with the dinosaurs, and it sank into seabed mud. The mud turned to rock and swapped the shell…
Aquamarine7.5-8 Mohs · silicate · throat, heartNearly every blue aquamarine in a shop window has been in an oven, at around 400 degrees, to burn the green out. It is permanent. No…
Aragonite3.5-4 Mohs · carbonate · root, sacral, solar-plexusAragonite builds itself out of mineral water in caves, in rust orange spikes that all shoot from one centre. It is on borrowed time…
Aura Quartz7 Mohs · quartz · crown, third-eye, throatThe quartz is real. It grew in rock like any other piece. Then a person put it in a vacuum chamber and bonded a film of vaporised metal…
Azurite3.5-4 Mohs · carbonate · third-eye, throatAzurite forms at the top of a copper deposit, where water and air have been rotting the ore for a very long time. It is the most…
Bismuth2-2.5 Mohs · man-made · crown, third-eyeA person made this one. Bismuth metal gets melted at around 271 degrees, cooled slowly so it grows in stepped squares, then the liquid…
Black Kyanite4.5-7 Mohs · silicate · root, throatAfter certain people leave, you go around opening windows. Black kyanite gets sold for exactly that feeling. It grows in splayed blades…
Bloodstone6.5-7 Mohs · chalcedony · root, heartBloodstone set inside old lava. Hot water full of silica filled the gas pockets and stiffened, catching green flecks and rust red iron…
Blue Apatite5 Mohs · phosphate · throat, third-eyeBlue apatite is the mineral your teeth are made of. Your bones too. One version grows in cooling rock, the other grows in you. The name…
Blue Goldstone5-6 Mohs · man-made · third-eye, crownItalian glassmakers built this on purpose. Cobalt glass, melted with copper, cooled slow in a sealed pot so the copper had time to grow…
Calcite (Coloured Varieties)3 Mohs · carbonate · sacral, solar-plexus, heartCalcite is lime that water carried and put back down in a hole in the rock. It is soft. A copper coin marks it. Drop vinegar on it and…- Chalcedony6 to 7 Mohs · quartz · throatChalcedony is quartz that never grew up into crystals. Instead of one clear six sided prism, it is billions of quartz fibres, each…
- Chrome Diopside5.5 to 6 Mohs · pyroxene · heartMost of this mineral never gets anywhere near the surface. Diopside belongs to the dense rock under the crust, and it stays there. The…
Chrysocolla2.5-7 Mohs · silicate · throat, heartRain got into a copper deposit and worked on it for ages. It broke the ore apart and left this blue-green crust in the cracks. It is the…
Chrysoprase6-7 Mohs · chalcedony · heartChrysoprase lives through almost anything except a sunny sill. Strong light pulls the apple green out of it, and it does not come back…
Emerald7.5-8 Mohs · silicate · heartNearly every emerald you will ever see has oil pressed into its cracks. Cedarwood oil usually, worked into the fissures until they stop…
Fire Agate6.5-7 Mohs · chalcedony · root, sacralTilt it under a lamp. Red and gold slide across the domes, then vanish when you hold still. That fire is not pigment. It is films of…
Fluorite4 Mohs · halide · third-eye, throat, heartFluorite survives almost nothing. A steel knife cuts it. One knock splits it clean along a flat plane, and long sun pulls the purple…
Garnet6.5-7.5 Mohs · silicate · root, sacralGarnet grew inside rock that was being crushed. Heat and pressure squeezed the root of a mountain, and the garnet crystallised in the…
Green Aventurine6.5-7 Mohs · quartz · heartIt began as plain sand on a seabed. Buried, pressed and cooked, the grains welded into one hard rock, and flecks of green mica got…
Howlite3.5 Mohs · silicate · crown, third-eyeSomeone dyed it blue and sold it as turquoise. That is not gossip. It is the trade's default move. Howlite formed in old salt flats…
Jadeite Jade6-7 Mohs · silicate · heartIn China, jade has stood for virtue for thousands of years. Not luck. Virtue. Mesoamerican carvers valued it above gold. Most fine…
Labradorite6-6.5 Mohs · feldspar · third-eye, throat, crownGrey and dull, like something off a driveway. Then you tilt it under a lamp and a sheet of blue switches on inside it. That flash is…
Larimar4.5-5 Mohs · silicate · throat, heartSunlight takes the blue out of it, slowly and for good. Salt and long soaking dull it too. It filled gas bubbles in volcanic rock in one…
Leopardskin Jasper6.5-7 Mohs · rock (aggregate) · root, sacralThe name lies twice. It is not jasper, and those are not animal markings. It is old lava that cooled with crystals growing outward from…
Magnesite3.5-4.5 Mohs · carbonate · crown, heartSomebody dyed this. Most of the cheap turquoise in a mall case is plain white magnesite that was soaked in blue until it took. Undyed it…
Malachite3.5-4 Mohs · carbonate · heart, solar-plexusMalachite is rust. Copper ore sat in wet ground and the water rebuilt it into a green carbonate, band by band. So it is a copper salt…- Moissanite9.25 to 9.5 Mohs · carbide · crownIn 1893 a French chemist was sorting through fragments of an iron meteorite that had punched a crater into Arizona, and he found tiny…
Moldavite5.5-7 Mohs · volcanic glass · heart, third-eye, crownAbout fifteen million years ago an asteroid hit what is now Bavaria. The ground melted and was thrown far enough to cool into glass…
Moss Agate6.5-7 Mohs · chalcedony · heart, rootThe moss in this is not moss. It is mineral threads that grew inside the silica before it hardened, sharp and three dimensional when…
Nephrite Jade6-6.5 Mohs · silicate · heartIn Aotearoa New Zealand, pounamu is nephrite. Māori tradition holds it as taonga, treasure that carries everyone who held it before you…
Nuummite5.5-6 Mohs · rock (aggregate) · root, third-eyeIt looks like a plain black pebble until you turn it. Then gold and bronze streaks flash across it in hard straight lines and disappear…
Ocean Jasper6.5-7 Mohs · chalcedony · heart, throatIt is not a jasper. Silica soaked into old Madagascan lava and replaced it, keeping the little balls of crystal that grew while the lava…- Opal5.5 to 6 Mohs · silica · crown, heartOpal is water that got into rock and never came back out. Silica dissolved in groundwater works its way down through cracks in dry…
Peridot6.5-7 Mohs · silicate · heart, solar-plexusPeridot is olivine. It is one of the main minerals of the mantle, the hot layer under the crust, and it rode up here inside magma. So…
Phantom Quartz7 Mohs · quartz · third-eye, crownLook into it and there is a smaller crystal in there, with the same shape and the same points. It grew. Then it stopped, long enough for…
Prasiolite7 Mohs · quartz · heartNearly every green quartz sold as green amethyst was purple amethyst until somebody put it in an oven at around 500 degrees. The iron in…
Prehnite6-6.5 Mohs · silicate · heart, solar-plexusHold it up to a lamp. The green is cloudy rather than clear, and inside it fine fibres run outward from a centre. It grew in gas bubbles…
Pyrite6-6.5 Mohs · sulphide · solar-plexus, rootPyrite is iron and sulphur. The name comes from the Greek word for fire, because struck against steel it throws a spark. It is not gold…
Rainbow Obsidian5-6 Mohs · volcanic glass · root, third-eyeIt is glass. The lava cooled too fast for crystals to form, so nothing inside got to finish growing. Almost nothing. Tiny rods of…
Ruby in Zoisite6-9 Mohs · rock (aggregate) · heart, rootDeep underground, heat and pressure grew two things at once in one rock. Green zoisite. Red corundum, which is the mineral we call ruby…- Sapphire9 Mohs · corundum · throat, third-eyeSapphire and ruby are the same mineral. Both are corundum, aluminium oxide, and what separates them is a trace of something that should…
Seraphinite2-2.5 Mohs · silicate · heart, crownSeraphinite is softer than your own fingernail. A key or a dropped coin will scar it, and water gets into the layers and ruins it. It…
Serpentine2.5-6 Mohs · silicate · heart, rootSerpentine is what happens when seawater soaks into rock from far below the ocean floor and turns it into something slick and green…
Spectrolite6-6.5 Mohs · feldspar · third-eye, crownSpectrolite is labradorite. A Finnish quarry found the darkest material anyone had seen. They gave it a name of its own. The name is the…
Sunstone6-6.5 Mohs · feldspar · sacral, solar-plexusTilt it under a lamp. The glitter runs across the whole face at once, then vanishes when you tilt it back. That is metal. Tiny flakes of…- Synthetic Opal4.5-6.5 Mohs · man-made · crown, heartSomebody built this on purpose. Spheres finer than dust were settled into stacked layers and pressed solid. It is real opal, grown in a…
Turquoise5-6 Mohs · phosphate · throat, third-eyeTurquoise is central to Navajo, Zuni and Puebloan life. It is worn, inherited and made into work by living artists right now. The stone…
Unakite6-7 Mohs · rock (aggregate) · heart, third-eyeUnakite was granite. Hot water got into it and took it apart from the inside. It did not become rubble. The pink held, and green grew in…
Watermelon Tourmaline7-7.5 Mohs · silicate · heartHold a slice to the light. Pink in the middle, green around the outside, one crystal. It changed colour partway through growing. The…- Zircon6 to 7.5 Mohs · nesosilicate · root, throat, third-eyeStart with the thing the shop counter will not say, because it is the whole reason this stone is treated as cheap. Zircon is not cubic…
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