Most mobs have a shadow on their sides, giving them a metallic shine type look on them. Some mobs are translucent. When breaking a block, the breaking texture/animation is green and translucent. I was unable to send an attachment... Sorry. (Edit. I was able to upload a screenshot. also, the breaking texture seems to only show up on certain blocks correctly, while others it is like the texture is floating in front of you instead of being on the block.)
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