I have an ornate lamp, where the lights are all inside glass flowers, and a few of them broke. I'd like to replace them by making a silicone mold of one of the intact ones and then casting it in resin. 

Making the mold seems straightforward, but I've never actually cast resin before, and I'm looking for advice on what resin to use. The bulbs are halogen bulbs, so they get fairly hot, and the lamps are pretty close. I'm guessing that if the resin can withstand 200 F they should be fine. 

Does anyone know whether this is feasible? Can anyone recommend a resin that is clearish and can withstand moderately high heat for long periods of time?

Here are some pictures. They're not great, but they give you a sense of what I'm looking to replace: https://photos.app.goo.gl/cPeqyw9ZpQfBufwi9

-Andy