Mark P Block

Mark P. Block is the proprietor of Mark Block Originals + Fine Art (www.blockglass.net) and a long-time collector of gems and minerals, particularly varieties of quartz, calcite, fluorite, and turquoise.

Mark P. Block is the proprietor of Mark Block Originals + Fine Art (www.blockglass.net) and a long-time collector of gems and minerals, particularly varieties of quartz, calcite, fluorite, and turquoise. See less