Proportions of light minerals
| Quartz | SiO2 | 180 | 81.4% |
| Orthoclase | KAlSi3O8 | 37 | 16.7% |
| Albiet | NaAlSi3O8 | 3 | 1.4% |
| Oligoclase – Anorthite | NaAlSi3O8 – CaAl2Si2O8 | 1 | 0.5% |
| 221 | 100.0% |
Proportions of heavy minerals
| Brown tourmaline (Dravite) | Na(Mg,Fe,Mn,Li,Al)3Al6[SiO18](BO3)3(OH,F)4 | 185 | 75.8% |
| Blue tourmaline (Elbait) | Na(Mg,Fe,Mn,Li,Al)3Al6[SiO18](BO3)3(OH,F)4 | 6 | 2.5% |
| Zircon | ZrSiO4 | 8 | 3.3% |
| Andalusite | Al2O[SiO4] | 28 | 11.5% |
| Hornblende | (Ca,Na)2–3(Mg,Fe,Al)5(Al,Si)8O22(OH,F)2 | 11 | 4.5% |
| Tremolitic amphibole | Ca2Mg5Si8O22(OH)2 | 1 | 0.4% |
| Clinozoisite | Ca2Al.Al2O.OH[SiO7][SiO4] | 3 | 1.2% |
| Staurolite | (Fe2+Mg)2(AlFe3+)9O6[SiO4](O,OH)2 | 2 | 0.8% |
| Total | 244 | 100.0% |
Pie chart of translucent heavy minerals
Pictures of heavy mineral grain mount
