1. Naturally occurring form of hydrous magnesium silicate containing varying proportions of such associated minerals as alpha-quartz, calcite, chlorite, dolomite, magnesite, and phlogopite

Silicate de magnésium hydraté naturel contenant des proportions variables de minéraux associés tels que quartz alpha, calcite, chlorite, dolomite, magnésite et phlogopite

2. Naturally occurring form of hydrous magnesium silicate containing varying proportions of such associated minerals as alpha-quartz, calcite, chlorite, dolomite, magnesite, and phlogopite.

Silicate de magnésium hydraté naturel contenant des proportions variables de minéraux associés tels que quartz alpha, calcite, chlorite, dolomite, magnésite et phlogopite.

3. The massive kimberlite contains phenocrysts of olivine (Fo90–Fo93), chrome-pyrope (7–12 mol.% uvarovite), and phlogopite together with xenocrysts of pyrope-almandine (28–36 mol.% pyrope, 58–64 mol.% almandine) set in a groundmass of olivine (Fo89.5), magnetite, perovskite, and serpentine.

La kimberlite massive contient des phénocristaux d'olivine (Fo90–Fo93), de chrome-pyrope (7–12 mol.% uvarovite) et de phlogopite conjointement à des xénocristaux de pyrope-almandin (28–36 mol.% pyrope, 58–64 mol.% almandin) situés dans une matrice d'olivine (Fo89.5), de magnétite, de perovskite, et de serpentine.