- a white hydrous chloride of potassium and magnesium, KMgCl3⋅6H2O, used chiefly as a source of potassium and magnesium.
Origin of carnallite
1875–85; named after R. von Carnall (1804–74), German mining official; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for carnallite
What weight of carnallite is necessary in the preparation of 500 g. of magnesium?An Elementary Study of Chemistry
At the point K we have the highest temperature at which carnallite can exist with magnesium chloride in contact with solution.
In the first place it may be again noted that at a temperature above 167.5 (point M) carnallite cannot exist.
Fig. 113 is a diagrammatic sketch of the model for carnallite looked at sideways from above.
Carnallite contains nearly a fourth of its weight of potassium chloride.Cooley's Practical Receipts, Volume II
- a white or sometimes coloured mineral consisting of a hydrated chloride of potassium and magnesium in orthorhombic crystalline form: a source of potassium and also used as a fertilizer. Formula: KCl.MgCl 2 .6H 2 O
C19: named after Rudolf von Carnall (1804–74), German mining engineer; see -ite 1