Third Eye chakra crystals

The third eye chakra pairs with 39 stones in this catalogue, Amethyst, Ametrine and Angelite among them. Chakra attribution is folklore rather than chemistry, so each entry keeps the two apart: the formula, hardness and fake-spotting test first, and what tradition claims for the stone second.

• Amethyst7 Mohs · quartz · third-eye, crownQuartz stained violet by iron and buried radiation, quarried in geodes the size of coffins from Brazilian and Uruguayan basalt. It was a ca…
• Ametrine7 Mohs · quartz · solar-plexus, third-eye, crownA single quartz crystal that grew through a temperature gradient, ending up amethyst at one end and citrine at the other, with a boundary y…
• Angelite3.5 Mohs · sulfate · throat, third-eye, crownAnhydrite, calcium sulfate with the water taken out, in a soft periwinkle from Peru, given a marketing name in the 1980s and now permanentl…
• Astrophyllite3-4 Mohs · silicate · crown, third-eye, solar-plexusGreek for 'star leaf', and correctly so: a rare titanium silicate that grows in bronze blades radiating from a point, found in alkaline ign…
• Aura Quartz7 Mohs · quartz · crown, third-eye, throatOrdinary quartz run through a vacuum chamber and fused with vaporised metal, a 1980s lapidary trick that produced the most photogenic objec…
• Azurite3.5-4 Mohs · carbonate · third-eye, throatThe blue copper carbonate, ground for centuries into the pigment that turned green in Renaissance paintings because azurite slowly becomes …
• Bismuth2-2.5 Mohs · man-made · crown, third-eyeElemental bismuth, grown in a saucepan and cooled slowly enough that the edges outrun the faces and produce those stepped rainbow labyrinth…
• Blue Apatite5 Mohs · phosphate · throat, third-eyeThe mineral your teeth and bones are made of, and the Mohs scale's definition of hardness 5. Its name comes from the Greek for 'to deceive'…
• Blue Goldstone5-6 Mohs · man-made · third-eye, crownCobalt glass with copper crystals suspended in it, sold under a truly excellent name and a truly bad one, 'galaxy stone' is honest poetry, …
• Blue Kyanite4.5-7 Mohs · silicate · throat, third-eyeAn aluminium silicate that forms only at high pressure deep in the crust, so its presence in a rock tells a geologist how far down it has b…
• Celestite3-3.5 Mohs · sulfate · throat, third-eye, crownStrontium sulfate, the mineral that makes fireworks red, growing as pale blue crystal-lined cavities in Madagascan and Ohioan sedimentary r…
• Charoite5-6 Mohs · silicate · third-eye, crownFound in exactly one place on earth, a small area of the Murun massif on the Chara River in Siberia, and formed by a syenite intrusion cook…
• Clear Quartz7 Mohs · quartz · crown, third-eyeThe default specimen of the entire trade, silicon dioxide, geometrically perfect, and so common it is nearly worthless by weight. Its appea…
• Fluorite4 Mohs · halide · third-eye, throat, heartCalcium fluoride in cubes and octahedra, coloured every shade in the box by lattice defects and trace elements, and the mineral that gave f…
• Herkimer Diamond7 Mohs · quartz · third-eye, crownNot diamonds, exceptionally clear double-terminated quartz that grew free-floating in 500-million-year-old dolostone pockets in upstate New…
• Howlite3.5 Mohs · silicate · crown, third-eyeA calcium borosilicate from Nova Scotia that would be an obscure collector's mineral if it were not the perfect blank canvas, porous, white…
• Iolite7-7.5 Mohs · silicate · third-eye, throatCordierite, transparent and violet-blue, and famous for a story that may well be true: thin slices act as a polarising filter, and there is…
• Labradorite6-6.5 Mohs · feldspar · third-eye, throat, crownA grey plagioclase feldspar whose internal layering is spaced at exactly the wavelength of visible light, so it throws aurora colours from …
• Lapis Lazuli5-6 Mohs · rock (aggregate) · third-eye, throatA rock rather than a mineral, and one that has been mined at Sar-e-Sang in Badakhshan for over six thousand years, the same valley supplied…
• Lepidolite2.5-3 Mohs · silicate · heart, third-eye, crownA lithium-bearing mica in lavender flakes, mined chiefly as a lithium ore and sold as a calming stone on the strength of that chemistry. Th…
• Moldavite5.5-7 Mohs · volcanic glass · heart, third-eye, crownGlass formed roughly 14.7 million years ago when an asteroid hit what is now Nördlingen in Bavaria, throwing molten terrestrial rock 400 ki…
• Moonstone6-6.5 Mohs · feldspar · sacral, third-eye, crownPotassium feldspar that unmixed into microscopically thin alternating layers as it cooled, scattering light into a floating blue-white glow…
• Nuummite5.5-6 Mohs · rock (aggregate) · root, third-eyeAn amphibole rock from Nuuk, Greenland, first collected in 1810 and roughly three billion years old, among the oldest material anyone sells…
• Opalite5.5-6 Mohs · man-made · crown, third-eyeGlass. Not opal, not moonstone, not a mineral of any kind, an opalescent art glass produced in quantity and sold under a name engineered to…
• Optical Calcite3 Mohs · carbonate · crown, third-eyeClear calcite that splits light into two rays, so text read through it appears twice, the mineral that let nineteenth-century physicists pr…
• Orthoceras3-4 Mohs · organic · root, third-eyeStraight-shelled nautiloids from Devonian and Ordovician seas, quarried by the tonne in the Erfoud region of Morocco and cut into slabs, sp…
• Phantom Quartz7 Mohs · quartz · third-eye, crownA crystal that stopped growing, got dusted with chlorite or iron, and then resumed, leaving its own younger outline sealed inside like a fo…
• Picture Jasper6.5-7 Mohs · chalcedony · root, third-eyeVolcanic ash and mud laid down in still water, compressed, silicified, and then sliced, so the desert scene you are looking at is an actual…
• Pietersite6.5-7 Mohs · quartz · third-eye, solar-plexusTiger's eye that was shattered by tectonics and healed back together at every angle at once, so the light in it looks like weather. Found i…
• Rainbow Moonstone6-6.5 Mohs · feldspar · third-eye, crown, sacralThe best-selling moonstone in the world is not moonstone: it is white labradorite from India and Madagascar, flashing blue by a different o…
• Rainbow Obsidian5-6 Mohs · volcanic glass · root, third-eyeBlack glass with layers of aligned nanoscale crystals inside it, spaced closely enough to interfere with light and throw a spectrum out of …
• Selenite2 Mohs · sulfate · crown, third-eyeTransparent gypsum, soft enough to mark with a fingernail and soluble enough to ruin in a rainstorm, the mineral kingdom's tissue paper. Me…
• Sodalite5.5-6 Mohs · silicate · throat, third-eyeA feldspathoid, mined in quantity in Ontario after a 1901 find was used to decorate Marlborough House for Princess Margaret of Connaught, h…
• Spectrolite6-6.5 Mohs · feldspar · third-eye, crownLabradorite that shows the whole spectrum rather than just the blue end, found in quantity at Ylämaa in south-eastern Finland after quarryi…
• Spirit Quartz7 Mohs · quartz · crown, third-eyeA quartz prism that grew a second, finer coat of crystals over every face, from a small handful of pipes near Boekenhoutshoek in Mpumalanga…
• Sugilite5.5-6.5 Mohs · silicate · third-eye, crownFirst described from Japan in 1944 as a drab yellow-brown mineral, then found in gem-quality purple at the Wessels manganese mine in South …
• Tanzanite6-7 Mohs · silicate · third-eye, crown, throatFound in 1967 in a strip of ground about seven kilometres long in the Merelani Hills of Tanzania, and nowhere else on earth. Tiffany rename…
• Turquoise5-6 Mohs · phosphate · throat, third-eyeA hydrated copper aluminium phosphate that has been mined in Sinai and Iran for over six thousand years and in the American Southwest for a…
• Unakite6-7 Mohs · rock (aggregate) · heart, third-eyeGranite that got hydrothermally cooked until its feldspar went salmon-pink and epidote grew through it in pistachio patches, named for the …

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