Homilite

Homilite is a borosilicate mineral belonging to the gadolinite group of minerals with formula Ca₂(Fe,Mg)B₂Si₂O₁₀.

Additional recommended knowledge

Essential Laboratory Skills Guide

Correct Test Weight Handling Guide: 12 Practical Tips

Daily Visual Balance Check

It occurs as brown monoclinic crystals within feldspar masses in pegmatite and was discovered in 1876 in Stoko island, Langesundfiord, Norway. The name is from the Greek for to occur together, in allusion to its association with meliphanite and allanite.

References

• Mineral Society of America Handbook (PDF)
• Mindat with locations
• Webmineral data