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Crocoite is a
mineral consisting of lead chromate, PbCrO4, and
crystallizing in the
monoclinic crystal system. It is
identical in
composition with the...
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Louis Nicolas Vauquelin received samples of
crocoite ore. He
produced chromium trioxide (CrO3) by
mixing crocoite with
hydrochloric acid. In 1797, Vauquelin...
- salt that is very
poorly soluble in water. It
occurs also as the
mineral crocoite. It is used as a pigment. Two
polymorphs of lead
chromate are known, orthorhombic...
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obtained directly from the liquor.
Chromate containing minerals are rare.
Crocoite, PbCrO4,
which can
occur as
spectacular long red crystals, is the most...
- c****edanneite (1988),
crocoite (1766),
pyrophyllite (1829),
phenicochroite (1839),
embreyite (1972). The
discovery of
crocoite by
Johann Gottlob Lehmann...
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Coucy Volume 7.6: Coucy-le-Château –
Crocodile Volume 7.7:
Crocoite – Cuba
Volume 7.8: Cube – Daguerre,
Louis Volume 7.9: Dagupan...
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Sapphire (var.)
Padparadscha Golden sheen sapphire Covellite Creedite Crocoite Cryolite ****berlandite
Cuprite Danburite Datolite Descloizite Diamond Bort...
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Cornwallite Corundum Cotunnite Covellite Coyoteite Creedite Cristobalite Crocoite Cronstedtite Crookesite Crossite (not
approved by IMA)
Cryolite Cryptomelane...
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mineral was
crocoite with a
formula of PbCrO4.
Studying the
mineral in 1797,
Louis Nicolas Vauquelin produced chromium trioxide by
mixing crocoite with hydrochloric...
- orange. In 1797 a
French scientist Louis Vauquelin discovered the
mineral crocoite, or lead chromate,
which led in 1809 to the
invention of the synthetic...
