27 
HEULANDITE, individual crystals. 
HEULANDITE, @, green. 
6, white. 
é;-red. 
ANALCITE on PECTOLITE. 
APopHYLLITE, large group of primitive crystals. 
APOPHYLLITE, primitive crystals. 
APOPHYLLITE, two large modified crystals. 
CaLciTE, twin showing an etched face. 
CALCITE, cleavage piece. 
CHABAZITE, a, brown. 
6, white. 
G, OTeens 
d, red. 
DATOLITE with PREHNITE. 
LAUMONTITE. 
LAUMONTITE with twinned calcite. 
PREHNITE, distinct crystals, very rare. 
PECTOLITE. 
PECTOLITE, sections of a sphere coated and SSS St with 
calcite and quartz. 
PECTOLITE. 
QuarRTZz, pseudomorph after pee. showing moulds of 
natrolite crystals. 
NATROLITE. 
- STILBITE. 
STILBITE, @, individual crystals. 
__ 6, sheaf-like form of ageregation., 
Nos. 85 to 114 exhibited by A. H. Ehrman, Brooklyn. 
oe 
