Angles of faces on crystals of arsenopyrite

**Angles of faces on crystals of arsenopyrite**
	Calculated				Measured				Limits
	q		r		q		r		q				r
	°	’	°	’	°	’	°	’	°	’	°	’	°	’	°	’	Number and quality of readings
o(112)	55	46	46	39	56	15	46	51									1 good
A(532)	67	48	78	3	67	55	78	24	67	19	68	13	78	4	78	50	9 very good
d(754)	64	5	73	39	64	27	73	57									1 good
p(143)	20	11	59	25	20	27	59	27	20	31	20	24	59	9	59	46	2 good
f(132)	26	6	63	19	26	7	63	27	25	53	26	33	63	14	63	45	3 very good
B(514)	82	15	65	39	81	54	65	58									1 poor
?(188)	10	24	50	28	10	0	50	23									1 poor
?(154)	16	23	57	13	17	33	57	43									1 good
?(275)	22	47	61	4	22	51	60	50									1 good
?(594)	39	14	73	53	39	0	73	40									1 poor