This is a Citrine heart cluster with hundreds of tiny crystal clusters all over the face of the rock. All around the edge of the face is polished, and the backside is left raw and natural.
Citrine is a transparent, yellow variety of Quartz, ranging in color from pale to golden yellow, honey, or almost brown, and may contain rainbow or sparkle inclusions. The name comes from the French word citron, meaning "lemon". It was used as a gem in Greece as far back as 300 B.C., and because of its color, is sometimes mistakenly referred to as Gold Topaz, Madeira or Spanish Topaz, or Safranite.
Measurements are approximately: This Citrine heart cluster is 4 inches wide, 3 inches long, and 1.25 inches in height.