Domaines Schlumberger – Pinot Gris Grand Cru Spiegel Designation AOC ALSACE GRAND CRU Vineyard Size -- Soil type Sandy-clay Vine varieties Pinot Gris Planting density -- Average vine age -- Vine growing conditions -- Pruning method -- Grape harvesting Hand-picked Vinification Whole bunches are pressed. Fermented in temperature controlled tuns. Maturing Raising on the lees for 8 months.