Crocoite is a mineral consisting of lead chromate, PbCrO4, and crystallizing in the monoclinic crystal system. It is identical in composition with the...
9 KB (754 words) - 05:38, 3 February 2024
Louis Nicolas Vauquelin received samples of crocoite ore. He produced chromium trioxide (CrO3) by mixing crocoite with hydrochloric acid. In 1797, Vauquelin...
109 KB (11,824 words) - 01:53, 10 September 2024
Leatherwood (unofficial) (Eucryphia lucida) Colour(s) Bottle Green (PMS 342), Yellow (PMS 114), & Maroon (PMS 194) Mineral Crocoite (PbCrO4) Website tas.gov.au...
184 KB (15,538 words) - 12:49, 8 October 2024
– Coucy Volume 7.6: Coucy-le-Château – Crocodile Volume 7.7: Crocoite – Cuba Volume 7.8: Cube – Daguerre, Louis Volume 7.9: Dagupan...
44 KB (2,756 words) - 03:40, 6 October 2024
solid 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...
11 KB (967 words) - 04:04, 6 September 2024
Cornwallite Corundum Cotunnite Covellite Coyoteite Creedite Cristobalite Crocoite Cronstedtite Crookesite Crossite (not approved by IMA) Cryolite Cryptomelane...
42 KB (2,782 words) - 13:55, 7 October 2024
pigments. Chrome yellow (lead chromate, PbCrO 4), derived from the mineral crocoite, was used by artists in the earlier part of the 19th century, but has been...
93 KB (10,802 words) - 18:45, 22 September 2024
obtained directly from the liquor. Chromate containing minerals are rare. Crocoite, PbCrO4, which can occur as spectacular long red crystals, is the most...
13 KB (1,230 words) - 08:43, 4 July 2024
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...
66 KB (7,764 words) - 11:08, 4 October 2024
Sapphire (var.) Padparadscha Golden sheen sapphire Covellite Creedite Crocoite Cryolite Cumberlandite Cuprite Danburite Datolite Descloizite Diamond Bort...
13 KB (867 words) - 01:34, 24 August 2024