Vesuvianite
(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10IMA symbol: Vesapproved
Vesuvianite is a silicate mineral with the formula (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10, crystallizing in the tetragonal system. It has a Mohs hardness of 6.5, typically blue, brown, green or yellow in color, with a resinous or vitreous luster, a specific gravity of 3.35-3.45. Its streak is white.
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Crystallography
| Crystal system | tetragonal crystal systemWikidata (CC0) |
|---|---|
| Space group | P 4/n n c :2 |
| Cell (Å, °) | a = 15.5948, b = 15.5948, c = 11.7794; α = 90, β = 90, γ = 90 |
| Cell volume | 2864.72 ų, Z = 4 |
| Source structure | COD 9014836 (American Mineralogist, 2012) — 1 of 35 structures |
Physical properties
| Hardness (Mohs) | 6.5single sourceWikidata (CC0) 6.5single sourceDana, System of Mineralogy, 6th ed. (1892) |
|---|---|
| Specific gravity | 3.35-3.45 g/cm3single sourceDana, System of Mineralogy, 6th ed. (1892) |
| Color | blue, brown, green, yellowsingle sourceDana, System of Mineralogy, 6th ed. (1892) |
| Streak | whitesingle sourceWikidata (CC0) whitesingle sourceDana, System of Mineralogy, 6th ed. (1892) |
| Luster | resinous, vitreoussingle sourceDana, System of Mineralogy, 6th ed. (1892) |
Classification
| Nickel-Strunz (10th) | 9.BG.35Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 9.BG.35Wikidata (CC0) |
| Dana (8th) | 58.2.4.1Wikidata (CC0) |