Ma On Shan closed iron mine quartz

Material category:

Mineral / Mineral based

Identification number:

22-7138-171-a

Sample produced by:

LAM Pui Kwan Candace

Sample date:

24 Jan 2022 (Extracted)

Sample condition:

Intact

Classification-driven material

An abundant mineral, quartz has been mined in Hong Kong and can be found in weathered granites or quartz veins. These crystal fragments were found at Ma On Shan Closed Iron Mine. The topsoil was removed for surface mining in the past and the quartz was exposed in the overburden. Quartz can be transparent or translucent as with thes samples.

Depth of sample extraction:

<20 cm

Slope at extraction point:

< 35°

Land Use:

Vacant land/construction in progress

State:

Solid

Properties

Amorphous

Form

Aggregate

Sensory Attributes

Touch: Hard

Transparency: Translucent