N. Z. ROCKS. 133 
SULPHUR. 
WHITE ISLAND. 
Gypsum, in thin oblique prisms, slightly incrusted 
with Sulphur. 
Fibrous Radiating Selenite, with disseminated 
Sulphur. 
Massive Stalagmitic Selenite, with Sulphur dis- 
seminated through the mass. 
Pure Massive Sulphur. 
Sulphur, on a mass of Gypsum, crystallized in 
acute rhombic pyramids, sometimes double. 
Massive Selenite, with disseminated Sulphur. 
Pink Selenite. 
Botryoidal Fibrous Selenite, deposited on Rhyolite 
Sand. 
Selenite, in thin right oblique prisms, slightly in- 
crusted with Sulphur. 
Pure Amorphous Sulphur. 
Radiated Gypsum, mixed with Sulphur. 
Pure Amorphous Sulphur. 
Soft White Acicular Selenite. 
Gypsum, in thin oblique prisms. 
Fibrous Selenite. 
Intimate mixture of Sulphur and Gypsum. 
Pure Sulphur. 
Mass of Pure Amorphous Sulphur. 
Crystallized Selenite, the Sulphur forming veins 
between the crystals. 
Pure Massive Sulphur. 
Intimate.mixture of Sulphur and Selenite. 
Radiating Fibrous Selenite, with very minute 
acicular crystals in the centre. 
Radiating Reniform Selenite. 
Decomposed Rhyolite, with Sulphur, 
to 33 Selenite of different forms, variously incrusted 
with Sulphur, and constantly eliminating Free 
Sulphuric Acid. 
