Journal

From the Workbench

The Inca Rose Is Made of Manganese and Legend

May 9, 2026

The Inca Rose Is Made of Manganese and Legend

Rhodochrosite MnCO3 is manganese carbonate named from Greek rhodon plus chroma. Incas called it Inca Rose believing King Rocas blood turned to stone. Mohs 3.
Unakite Is Half Green Half Pink and Entirely

May 9, 2026

Unakite Is Half Green Half Pink and Entirely

Unakite is a natural rock composed of green epidote Ca2(Al,Fe)3(SiO4)3(OH), pink orthoclase feldspar and quartz.
Sodalite Gets Mistaken for Lapis Lazuli All the

May 9, 2026

Sodalite Gets Mistaken for Lapis Lazuli All the

Sodalite Na8(Al6Si6O24)Cl2 is a chlorine-bearing sodium aluminum silicate discovered in Greenland 1811.
Sunstone Has Tiny Sparks Inside It (And Some

May 9, 2026

Sunstone Has Tiny Sparks Inside It (And Some

Sunstone is oligoclase feldspar (Na,Ca)(Al,Si)4O8 with aventurescence from copper or hematite inclusions.
Labradorite Flash Is Real Science (And It Looks

May 9, 2026

Labradorite Flash Is Real Science (And It Looks

We believe in being upfront about how our content is produced, so you always know exactly what you're reading.. Hold a piece of labradorite under the light.
Thunder Eggs Look Like Rocks on the Outside

May 9, 2026

Thunder Eggs Look Like Rocks on the Outside

Thunder eggs are a special type of geode with rough spherical nodules outside and agate or chalcedony layers inside.
What Gives Moonstone Its Glow (And How to Pick

May 9, 2026

What Gives Moonstone Its Glow (And How to Pick

Moonstone is a feldspar mineral with alternating orthoclase and albite layers near KAlSi3O8. Blue adularescence comes from light scattering between thin layers.
Charoite Comes From One River in Siberia and

May 9, 2026

Charoite Comes From One River in Siberia and

Charoite K(Ca,Na)2Si4O10(OH,F) is a rare potassium calcium silicate found only at the Chara River in Sakha Republic, Russia. Discovered in 1978.
Baltic vs Dominican Amber: 7 Key Differences

May 9, 2026

Baltic vs Dominican Amber: 7 Key Differences

Baltic and Dominican amber differ in age, inclusions, and color. Learn 7 key differences to identify each type and know which is more valuable.
Variscite Looks Like Turquoise (But It Is Not

May 9, 2026

Variscite Looks Like Turquoise (But It Is Not

Variscite AlPO4-2H2O is hydrated aluminum phosphate, often mistaken for turquoise but completely different chemistry. Mohs 3.5-4.5, too soft for rings.
Prehnite Was the First Mineral Named After a

May 9, 2026

Prehnite Was the First Mineral Named After a

We believe in being upfront about our process.. Scroll through any gemstone collection forum lately, and you'll see the same question popping up again and.
Larimar Only Exists in One Place on Earth (And

May 9, 2026

Larimar Only Exists in One Place on Earth (And

While the information has been researched and fact-checked, some phrasing may reflect AI-assisted drafting.. We always recommend verifying details with a.
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