2.  Chakra also called Vishuddha. The chakra is located at the throat, color is blue, associated planet is Mercury, associated Sephirah is Daath.

Throat Chakra (Vishuddha) Correspondences

Alchemical Planet: Venus, Jupiter             
Alchemical Element: Copper  
Tattva: Akasha (Ether, Spirit)
Tattva Color: Blue-Violet
Tattva form: Oval
Tattva Sense: Hearing
Animal: Bull, Lion, Elephant                         
Basic Drive: Creativity                     
Body Function: Speech                            
Chakra Color: Bright Blue                
Element: Spirit  (aethyr)                  
Gemstone: Turquoise              
Gland: Thyroid, Parathyroids           
God-form—Egyptian: Seshat    
                   Hindu: Pancha-Vaktra ¹
                   Greek: Hermes                
Goddess-form—Hindu: Shakini ²
                           Celtic: Brigit
Incense: Frankincense                  
Location: Throat                    
Order of chakra unfoldment: 5^th      
Yogic Planet: Venus
Part of Body: neck, shoulders, arms, hands
Psychological Attributes: Communication, Empathy
Psychic Power: channeling, clairaudience, telepathy                     
Bija Mantra: HuNG HuM                 
Spinal Joint: 31^st                                                          
Spinal Location: 3^rd Cervical   
Sense: Hearing
Tarot Key: III, Empress                    
Tree of Life Sephirah: Chesed & Geburah
Yantra (internal): white oval                            

¹ 5-faced Shiva     

² Knowledge                                                                                                                   

Suggested Reading – Dale:The Subtle Body – An Encyclopedia of Your Energetic Anatomy