Mineral Factbook

Nahcolite

NaH(CO3)IMA symbol: Nahgrandfathered

Nahcolite is a carbonate or nitrate mineral with the formula NaH(CO3), crystallizing in the monoclinic system. It has a calculated density of 2.165 g/cm3. Its streak is white.

Photos

Nahcolite specimen photo
Robert M. Lavinsky · CC BY-SA 3.0 · Commons
Nahcolite specimen photo
Robert M. Lavinsky · CC BY-SA 3.0 · Commons
Nahcolite specimen photo
Robert M. Lavinsky · CC BY-SA 3.0 · Commons
Nahcolite specimen photo
Robert M. Lavinsky · CC BY-SA 3.0 · Commons

Crystallography

Crystal systemmonoclinic crystal systemWikidata (CC0)
Space groupP 1 21/c 1
Cell (Å, °)a = 3.51, b = 9.71, c = 8.05; α = 90, β = 111.85, γ = 90
Cell volume254.651 ų, Z = 4
Axial ratios0.3615:1:0.8290calculated from COD 9011048
Source structureCOD 9011048 (Acta Crystallographica, 1962) — 1 of 2 structures

Physical properties

Density (calculated)2.165 g/cm³calculated from COD 9011048
Streak
whitesingle sourceWikidata (CC0)

Chemistry (calculated)

Molecular weight84.01 g/molcalculated from the IMA formula
Composition (wt%)Na 27.37%, H 1.2%, C 14.3%, O 57.14%

Classification

Nickel-Strunz (10th)5.AA.15Wikidata (CC0)
Nickel-Strunz (9th)5.AA.15Wikidata (CC0)