* Turquoise: This is probably the most well-known bluish green mineral. It's opaque and has a waxy luster.
* Malachite: This mineral is a bright green, but can sometimes have a bluish tint. It's usually found in banded or botryoidal forms.
* Chrysocolla: This mineral is typically a bright blue-green, but its color can vary depending on the amount of copper present. It's often found as a coating on other minerals.
* Amazonite: This variety of microcline feldspar is typically a blue-green color. It's often used in jewelry.
* Celestite: This mineral is usually white or blue, but can sometimes have a bluish-green hue.
To identify the specific mineral, you would need more information, such as its hardness, luster, and other physical properties.