Depending on the "sect", Wiccans can operate in covens or as solitary practitioners (or both). Some have formal initiations and training regimes, some don't. Try to find one in your area and see what they tell you.
However, Wicca doesn't require you to belong to any specific group. If you agree with the philosophy and engage in the practices, you are a Wiccan. Though, many people might wonder why you would even choose Wicca.
Wicca has its own scriptures.
Wicca isn't based anywhere.
No. Wicca is a religion, not a language.
Wicca isn't based anywhere.
Yes, Faerie Wicca is practiced.
Georgian Wicca was created in 1970.
Wicca Craft was created in 1991.
As Wicca is a religion focusing not on race, but on the belief structures of the individual, there is not (to my knowledge) a specific African-American Wicca. If you are asking if there is a participation by African-Americans in wicca, then the answer is yes.
When a person celebrates Wicca, they are celebrating their faith within it. Wicca is not only a religion, but it's a way of living, and most Wiccan's actually celebrate Wicca every day they are part of it.
There is nothing called Dark Wicca. Wicca is a religion, it is neither Dark or Light.. There are mysteries in the craft of Wicca, and the unworthy would use it for dark purposes. That is why there is a degree system in Wicca, where the secrets are revealed only to the worthy. Wicca is about life and earth and magic. It is up to the individual to decide what they shall attain in their life time.
Wicca is Polytheistic. Believing in many Deities/Gods
When a person celebrates Wicca, they are celebrating their faith within it. Wicca is not only a religion, but it's a way of living, and most Wiccan's actually celebrate Wicca every day they are part of it.