Aquamarine + Emerald = 
Apatite 
Weapon: Scythe
"Apatite slides the sabre through the pole of the harpoon, the curved blade forming the scythe's and the hilt sticking out to form a counterweight."

Aquamarine + Amber = 
Citrine
Weapon: Spiked Battle Club 

Aquamarine + Spinel = 
Kyanite
Weapon: Large Ice Crossbow

Aquamarine + Melanite = 
Cobalt
Weapon: Chain Blade

Aquamarine + Zircon = 
Serendibite
Weapon: Naginata

Aquamarine + Evenkite = 
Prehnite
Weapon: Three Part Staff

Aquamarine + Sodalite = 
Tanzanite
Weapon: Monk's Spade A.K.A. Giant Shovel

Emerald + Amber = 
Jade
Weapon: Battle-Axe

Emerald + Spinel = 
Aventurine
Weapon: Large Earthen Catapult

Emerald + Melanite = 
Gahnite
Weapon: Ringed Sword

Emerald + Zircon = 
Hematite
Weapon: Dual-Sided Sword

Emerald + Evenkite = 
Moldavite
Weapon: Pole-Axe

Emerald + Sodalite = 
Chrysocolla
Weapon: Sword and Shield

Amber + Spinel = 
Spodumene
Weapon: Flame-Thrower
 
Amber + Melanite = 
Spessartine
Weapon: Pick-Axe

Amber + Zircon = 
Andesine
Weapon: Flanged Mace
 
Amber + Evenkite = 
Londonite
Weapon: [hider=Lucerne Hammer][img]https://s-media-cache-ak0.pinimg.com/736x/4c/bb/a3/4cbba37a7216b14c5b9a14d3ce52a51c.jpg[/img][/hider]
 
Amber + Sodalite = 
Warikahnite
Weapon: Arm Cannon

Spinel + Melanite = 
Aegirine
Weapon:[hider=Bladed Crossbow][img]https://hoveysmith.files.wordpress.com/2010/08/c2-21-levin-crossbow-pistol-with-blade.jpg[/img][/hider]

Spinel + Zircon = 
Onyx
Weapon:[hider=Hook Sword-Bow][img]http://img15.deviantart.net/86f8/i/2014/184/2/f/eric_marma_s_hook_swords_crossbow__rwby_oc_weapon__by_jackbryanreynard-d7p4aq7.png[/img][/hider]

Spinel + Evenkite = 
Gypsum
Weapon: Ballista

Spinel + Sodalite = 
Jeremejevite
Weapon: Wrist Crossbow

Melanite + Zircon = 
Obsidian 
Weapon: [hider=Sword-McSwordington][img]http://fc08.deviantart.net/fs41/f/2009/036/3/3/Glacial_Sword_by_Shift_expectations.jpg[/img][/hider]
 
Melanite + Evenkite = 
Epidote
Weapon: [hider=Partisan][img]https://s-media-cache-ak0.pinimg.com/236x/7e/db/d5/7edbd585b971dbee9df5fba996e342b4.jpg[/img][/hider]

Melanite + Sodalite = 
(Blue) Goldstone
Weapon: Wrist Blades

Zircon + Evenkite = 
Labradorite
Weapon:[hider=Ahlspiess][img]http://i025.radikal.ru/0905/99/3db5d995eedb.gif[/img][/hider]

Zircon + Sodalite = 
Benitoite
Weapon: Clawed Cestus

Evenkite + Sodalite = 
Chalcedony
Weapon: [hider=Maduvu][img]http://www.oriental-arms.com/photos/items/24/003824/ph-2.jpg[/img][/hider]

Here's what we've been working on. Fusions with updated weapons to better show the fusion. I'll be adding little quotes like Apatite's at a later point but for right now I'm just glad that we have all the weapons