Okay, here are just some ideas dealing with Serpentine:

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Serpentine x emerald- Seraphinite, hooked sword
Seprentine x Chromite- Hiddenite, idk
Serpentine x Carnelian- Enstatite, long, arm fans with clawed spikes
Serpentine x Vert- Green Fluorite, ----
 Serpentine x Charoite – Lepidolite, claws turn into picks XP
Serpentine x Sodalite- Turquoise, curved blade gauntlets.
Serpentine x Citrine- Idocrase, -----
Serpentine x Spinel- Moss Opal, special arrows maybe?
Serpentine x Marra Mamba- Ammolite, bladed charkrams, (think Axel from Kingdom Hearts)
Serpentine x Topaz- Bronzite, MORE CLAWZ!!!!
Serpentine x Sphene- Prehnite, ----
Serpentine x Strengite- Purple Flourite, Spiked Flail
Serpentine x Rhodonite- Pietersite ------
Serpentine x Aquamarine- Azurite, clawed trident
Serpentine x Bixbite-, Diorite, Spiked Hammer
Serpentine x Bloodstone- Unakite, Dual sided hooked glaive
Serpentine x Gembone- Dragon Stone, idk
Serpentine x Evenkite- Prehnite, ----

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