[Tyrone Marshall]

Objective: A repository for hard to find index of refraction values.

To start us off:

Paraffin oils (light wax coatings) 1.332-1.412
Polyunsaturated oils 1.371-1.432
Linseed oil 1.479-1.480
Sunflower oil 1.474-1.475
Soybean oil 1.471-1.475
Corn oil 1.474-1.476
Cottonseed oil 1.472-1.477
Sesame oil 1.473-1.476
Rapeseed oil 1.472-1.476
Saccharin oil 1.471-1.474
Soy sauce oil 1.471-1.474
Peanut oil 1.46-1.4720
Olive oil 1.467-1.471
Almond oil 1.470-1.471
Castor oil 1.477-1.479
Coconut oil 1.448-1.450
Palm oil 1.455-1.456
Vegetable wax (bees wax) 1.457-1.459
Beef-Tallow 1.454-1.459
Sardine oil 1.479-1.481
Cod-liver oil 1.477-1.483
Beef fat 1.457-1.459
Commercial lard 1.460-1.461
Margarine (butter) 1.453-1.463

[lebbeus]

came across this site today:

http://www.m3corp.com/a/tutorials/refraction.htm

might be of some use…