Here are a list of well known love stones for your many purposes:

Beginning Love

Rose Quartz
Need a line full of suitors? It has been know for centuries that this rose quartz attracts love. This stone should be worn over the heart. It helps release the blockages to love and subtly promotes self love and forgiveness. Try putting a huge rock in your home. You'll probably notice all of a sudden dates are calling you left and right.

Rhondocrosite
If you ever need to feel love this is an amazing stone. It is said to pulsate with loving vibration and helps attract your twin flame. The theory is if your incapable of feeling love even if it was dancing in front of you you'd still miss it. This stone is very helpful to open your self up to those vibrations. This stone is most effective around the wrist. If you sleep with one on you might wake up with a very pleasant feeling. However, this beautiful pink banded stone comes with a heafty price tag. Aim for the pastel pinks which are higher in quality.

Green Adventurine
This money stone is also a heart protecting stone. Green adventurine helps clears and protect the heart from bad vibes and helps activate the heart chakra. If you've heard of psychic vampires (AKA friends who drain you with their emotional problems), this stone can protect and prevent you for such unintentional attacks. This stone can be worn anywhere, but it's best above the heart.

Continuing Love

Rubies
This stone is obviously an expensive stone but there are other varieties that have not been polished that is about more affordable for beaded jewelry. The stone is know for passion and virility. Best when worn over the finger or ankles.

Turquoise
What better love exist than from one friend to another. There is old lore that states if you give a friend a gift of turquoise, the spirit with the stone with serve to protect that friend. It's a nice stone to make gifts out of and can be worn anywhere.

Opal
Opals are two sided. It can be very good or very bad. Countless books have stated that this is stone brings it's wearer unconditional love from others. However, it can also bring misfortune to those who abuse this power. Don't be fooled by your sudden attractiveness to others when wearing this stone. The sword cuts both ways. Best if worn on the little finger.

Sugilite
Love as beautiful as it is, can be full of disappointments. This stone can help it's wearer get past the jealousies and promote spiritual love, one that fosters forgiveness. It's best worn over the heart.

Jasper
This is an energy stone. The ancients believed that by wearing this one can prolong sexual pleasures.

Spicing Up Love

Carnelian
Confidence is a very sexy trait. Carnelian jewelry not only looks great, it helps the wearer get out there and be confident with their words and body gestures. Carnelian is said to have a connection with the reproductive organs. It is a very popular sexual stone. Those who have high sex drives tend to be attracted to it.

Garnets
Garnets can add sizzle and fire into your love life. This stone increases the chemistry of those who sit in the same room with you due to it's ability to open the root and sacral chakra as well as stimulate the heart.

Ending Love

Agate
Overcome bitterness and anger. Sometimes when emotions get the best of you this stone is known to bring mental clarity. It balances emotion and thought and brings it wearer truth and courage. Since this is a mental stone earrings are recommended.

Obsidian
Need to forget a past love? This stone symbolizes rebirth and starting over anew. It is said to help you get over the past and remove painful memories. But there is caution as to wearing it too long. Volcanic rocks aren't advised to fashion into jewelry because these are the symbols of endings.

Kunzinite
Need a little calm after the storm? This stone radiates peace and can heal psychiatric disorders. Dispels negative thoughts and unwanted entities from your aura. Wear this one anywhere.

More stones for all occasions.