commodity	slate
class_a	5e+06
class_b	2e+06
class_c	500000
class_d	100000
unit	t
name	Slate
description	Commercial slate is a microgranular metamorphic rock formed by the recrystallization of clay sediments, such as claystone, shale, or siltstone. Characterized by excellent parallel cleavage, slates may be easily split into relatively thin slabs. http://minerals.usgs.gov/minerals/pubs/commodity/stone_dimension/myb1-2007-stond.pdf
url	http://inspire.ec.europa.eu/codelist/CommodityCodeValue/slate
commoditygroup	buildingRawMaterials
red	186
green	0
blue	120
crm_2020	null
commoditygroup_e_myb	Aggregates and related materials
commodity_and_e_myb	Aggregates and related materials
subcommodity_and_e_myb	Slate
commodity_portal	Slate