This is a spell to bring balance and harmony to the home. 
Let’s create an invisible grid that will connect the center of your home with each of the four corners!
I found this ritual in The Book of Crystal Spells by Ember Grant, which is overflowing with great information and practical rituals.
Crystals Placement in the Home
You’ll need to make a floor plan of your home. This example is from a second story. Some people prefer to use the basement or ground level.
Making a “Home Balance & Protection” Grid 
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Using a compass
find North and label each direction on your sketched diagram or floor plan. Identify the “center” of your home and the four corners. -
Place a large quartz cluster at or near the center. Try to get as close to the center as you can.
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Place similar stones at each of the four directions. You may use single points. Aim the point toward the center of your home.
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After you place the stones, visualize a line of energy connecting each stone, like a web or network of cables, a connection between all of them, like beams of light or energy. Start from the center, move out to each corner and back again, and link the corners to each other.
Crystal Chant to Bless the Home 
After all the stones are in place, chant:
"Crystal cluster mark this center,
Permit no ill intent to enter.
Quarter crystals marking four,
Guard each room, window, and door.
Energy ceiling to floor,
Every space, closet and drawer.
Link with center, four makes five,
Balanced now, all here will thrive."
Here are some good choices for placing crystals in the home:
Calming Crystals
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Agates are grounding, promote general good health and longevity, and generate a calming environment.
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Amazonite and galena can be used for harmony.
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Amethyst—aids sleep, peaceful, spiritual.
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Moonstone—calming, intuition.
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Rhodochrosite—love, emotional balance, health…
Rhodocrosite is considered the “national treasure” in my country, Argentina! 
Protection Crystals
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Jasper promotes a nurturing atmosphere.
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Lepidolite—dispels nightmares, reduces stress and anxiety, creates a calming environment.
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Rose quartz—promotes universal love, emotions, forgiveness.
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Pyrite—shields from negative energy, enhances memory and understanding.
Crystals for Success
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Citrine—the merchant’s stone, education, business, mental clarity, communication.
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Hematite—manual dexterity, a stone of the mind
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Lodestone—motivation and purpose
Have you placed any stones in your home lately? This was my entry for this week’s Weekly Challenge. I hope you found it useful as much as I did!!
Crystal Bright Blessings! 
Totally going to do this (with dinky hidden crystals around the house rather than large clusters and points but still 
) oh how fun! Thanks for sharing 
! Thank you so much for sharing your wisdom, Francisco- and may the crystal guardians at your house keep you safe and blessed 
all the colors they promote and there special features!
and yours looks really comfortable.