Key Characteristics of Trap Rock (1 1/2") Hard, dense igneous rock (often basalt, diabase, or dolomite) Dark gray to black color, angular crushed shape Nominal particle size: 1 1/2 inches (actual range: 1" to 2") High resistance to abrasion and weathering Non-porous, low water absorption, chemically inert Bulk density: 150-170 lbs/ft Free from organic and deleterious materials Incorrect Applications and Limitations Not for decorative use where smoothness or color uniformity is needed Not for playgrounds, pedestrian paths, or foot traffic areas Not intended for use as sand, gravel, or fine aggregate May not be suitable for concrete if not meeting aggregate standards Not for high-permeability applications with small particle size Technical Specifications and Performance Trap Rock (1 1/2") typically meets or exceeds industry standards for durability and soundness
Combine these heels for black dresses with silver jewelry, especially bracelets, to evoke an air of edginess that most believe to be difficult to achieve from a basic black dress
Thick enough to hold you in, and stretchy enough to move easily
Below is a practical breakdown of average dresser height across common dresser types, based on standard residential furniture measurements
