Tumbled Aragonite / 20-35mm AVG - 1 KILO LOT Menu Towers Howlite is an uncommon boron-based

Howlite is an uncommon boron-based mineral

and some crystals may appear more yellow when viewed from specific directions

similar to the igneous mineral microcline

Pieces measure 1"-2" (AVERAGE SIZE)

Clear Quartz Crystals from Brazil - Full Flat

Tumbled Aragonite / 20-35mm AVG - 1 KILO LOT Menu Towers Howlite is an uncommon boron-basedQuantity: 1 kilogram Average size range: 20 to 35 millimeters Aragonite as a crystal can be found in a surprising number of places. While most aragonite is mined from veins of metamorphic rock, it can also be found inside mollusk shells and on coral growths, and it is widely used when recreating reef conditions for aquariums. While most aragonite is brown or orange in color, white aragonite is also fairly common.