Colours and markings vary between crystals. You are purchasing the Fire Quartz (Hematoid Quartz) crystal flame, pictured.
About Fire Quartz (Hematoid Quartz) Crystals
Fire Quartz, also known as Hematoid Quartz, is a great crystal to use to enhance self-esteem and balance the mind, body and spirit.
As Fire Quartz is a grounding crystal, you can work with it to relieve panic attacks or anxiety. Fire Quartz will help you to feel calm. Fire Quartz will also help you with concentration and being able to focus.
Physically, Fire Quartz is a crystal that can energetically assist with blood disorders and the immune system.