This is a very beautiful Rose Quartz Emma crystal (or also known as a Seer stone or window crystal).  It has a fantastic window to peer through. I've tried to take a close-up photo so you can get an idea of the depth you can peer inside. There is a smaller section with darker earth toned markings on the front face and many grooves to help keep your stone secure in the palm of your hand. 
 
It measures over 1 and 1/2 inches long 1 inch deep in the widest section.    The front is smooth with a few nooks and crannies to feel with your fingertips, while the sides and back are semi-polished with a matte soft finish.
 
When Might You Be Reaching for a Rose Quartz Seer Stone?
 
Are you seeking answers but need the answers provided gently? 
Do you need clarity around a relationship or an emotional situation?
Are you healing from something tender and want guidance?
Do you want to find calm and balance in a chaotic, busy situation?
 
Using a Rose Quartz seer crystal helps when you are looking for answers on a more gentle level.  You may be experiencing stress and negative energy and just need a softer type of divination message.  It can be a helpful companion when dealing with emotional situations. 
 
Here's a quick exercise you can practice with your crystal. 
 
Mini Heart-Seeing Ritual
 
You will need:
Your Rose Quartz Seer crystal
A quiet space
A candle (white or pink optional)
Paper and writing tools (Journal if you prefer)
Any other tools you regularly use
 
Sit comfortably and place your crystal in front of you.  Position the polished “window” facing you.
Light your candle and then place the crystal in the palm of your hands with the window facing upwards to your gaze.  Take three slow breaths.  
 
Open your eyes.  Look into the polished face of the stone.  Allow yourself time to let your eyes relax.  Let your breathing slow naturally.  Ask yourself or speak out loud: "What does my heart need me to understand?"
 
Notice any subtle feelings, memories, colours, or impressions. Rose Quartz works through emotion first, images second. When you feel complete (2–5 minutes is perfect), close your eyes and place the egg against your heart for a moment.
 
Whisper: "My heart is open, calm, and clear, I welcome insight drawing near, With loving sight, I choose to see, What rises softly speaks to me."
 
Take a few moments to jot down what you are feeling or seeing from your crystal.  When you are ready, either extinguish the candle or allow it to burn down safely with the crystal beside it.  Carry your stone with you for added peace and calming energy, or place it near your bedside or in a space that you feel is important.   

Note: Please keep Rose Quartz out of the sunlight as it will fade.   It comes with the card you see in the photo, and you get the exact crystal you see in the images.